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Mitsubishi Electric MELSEC iQ-F Series Improper Validation of Specified Index, Position, or Offset in Input (CVE-2025-3755)

🗓️ 10 Jul 2025 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 4 Views

Mitsubishi Electric MELSEC iQ-F Series has a vulnerability allowing remote attacks and DoS conditions.

Related
Refs
Code
ReporterTitlePublishedViews
Family
BDU FSTEC		The vulnerability of MELSEC iQ-F programmable logic controllers lies in the improper verification of the specified index, position, or offset. This allows attackers to disclose sensitive information and cause malfunctions in the system.
24 Dec 202500:00
–bdu_fstec
Circl		CVE-2025-3755
29 May 202506:26
–circl
CNNVD		Mitsubishi Electric MELSEC iQ-F series 安全漏洞
29 May 202500:00
–cnnvd
CVE		CVE-2025-3755
29 May 202504:47
–cve
Cvelist		CVE-2025-3755 Information Disclosure and Denial-of-Service(DoS) Vulnerability in MELSEC iQ-F Series CPU module
29 May 202504:47
–cvelist
EUVD		EUVD-2025-16363
3 Oct 202520:07
–euvd
ICS		Mitsubishi Electric MELSEC iQ-F Series
3 Jun 202506:00
–ics
NVD		CVE-2025-3755
29 May 202505:15
–nvd
Positive Technologies		PT-2025-23139 · Mitsubishi · Melsec Iq-F Series
29 May 202500:00
–ptsecurity
RedhatCVE		CVE-2025-3755
31 May 202505:46
–redhatcve
Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

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  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"This vulnerability allows a remote attacker to read information 
in the product, to cause a Denial-of-Service (DoS) condition in 
MELSOFT connection, or to stop the operation of the CPU module 
(causing a DoS condtion on the CPU module), by sending specially 
crafted packets. The product is needed to reset for recovery.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-003_en.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7d9578bc");
  script_set_attribute(attribute:"see_also", value:"https://jvn.jp/vu/JVNVU94070048/");
  script_set_attribute(attribute:"solution", value:
'Mitsubishi Electric recommends that customers take the following mitigation measures 
to minimize the risk of exploiting this vulnerability:
- Use a firewall or virtual private network (VPN), etc. to prevent unauthorized access when Internet access is required.
- Use within a LAN and block access from untrusted networks and hosts through firewalls.
- Use IP filter function to block access from untrusted hosts.
- Restrict physical access to the affected products and the LAN that is connected by them.

For specific update instructions and additional details see the Mitsubishi Electric advisory.');
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  script_set_attribute(attribute:"patch_publication_date", value:"2025/05/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/07/10");

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}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Mitsubishi');

var asset = tenable_ot::assets::get(vendor:'Mitsubishi');

var vuln_cpes = {
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        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-32m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mt%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mt%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-64m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mt%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mt%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-80m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mt%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mt%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5u-m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-32mt%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-32mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-32m%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-32m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-64mt%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-64mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-64m%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-64m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-96mt%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-96mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-96m%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-96m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-mt%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-m%2fd_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mt%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mt%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mt%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mt%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mt%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mt%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mt%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mt%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mt%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mt%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mr%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mr%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mr%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mr%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-m%2fes_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-m%2fds_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-m%2fess_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-m%2fdss_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mt%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-24mr%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mt%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-40mr%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mt%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-60mr%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mt%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uj-mr%2fes-a_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-30mt%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-30mr%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-30m%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-40mt%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-40mr%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-40m%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-60mt%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-60mr%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-60m%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-80mt%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-80mr%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-80m%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-mt%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-mr%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5s-m%2fz_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-32mt%2fds-ts_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-32mt%2fdss-ts_firmware" :
        { "family" : "MELSECiQF" },
    "cpe:/o:mitsubishielectric:melsec_iq-fx5uc-32mr%2fds-ts_firmware" :
        { "family" : "MELSECiQF" }
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);

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14 Feb 2026 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.19.1
EPSS0.00719
SSVC
mitsubishi electricmelsec iq-f seriesvulnerabilityremote attackerdenial of serviceinformation security
4