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The vulnerability of microprogrammed software in programmable logic controllers SIMATIC S7-1200, related to improper verification of syntax correctness in input data, allows a intruder to cause malfunctions during maintenance operations.

🗓️ 09 Jan 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 3 Views

S7-1200 vulnerability: improper input syntax verification allows remote attacker to cause maintenance malfunctions.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl		CVE-2025-24812
11 Feb 202511:16
–circl
CNNVD		Siemens SIMATIC S7-1200 安全漏洞
11 Feb 202500:00
–cnnvd
CNVD		Siemens SIMATIC S7-1200 CPU Family Denial of Service Vulnerability (CNVD-2025-03036)
11 Feb 202500:00
–cnvd
CVE		CVE-2025-24812
11 Feb 202510:29
–cve
Cvelist		CVE-2025-24812
11 Feb 202510:29
–cvelist
EUVD		EUVD-2025-3952
3 Oct 202520:07
–euvd
NCSC		Vulnerabilities fixed in Siemens products
11 Feb 202519:40
–ncsc
NCSC		Vulnerabilities fixed in Siemens products
14 Feb 202508:46
–ncsc
NVD		CVE-2025-24812
11 Feb 202511:15
–nvd
Positive Technologies		PT-2025-6206 · Siemens · Simatic S7-1200 Cpu +1
11 Feb 202500:00
–ptsecurity
Rows per page
Vulners
Node
siemens_agsiemens_ag_simatic_s7-1200_cpu_1211c_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1211c_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1212c_ac/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1212c_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1212c_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1212fc_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1212fc_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1214c_ac/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1214c_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1214c_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1214fc_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1214fc_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1215c_ac/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1215c_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1215c_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1215fc_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1215fc_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1217c_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1212_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1212c_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1212c_dc/dc/dc_railRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1214_ac/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1214_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1214_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1214c_dc/dc/dc_railRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1214fc_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1214fc_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1215_ac/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1215_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1215_dc/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1215c_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1215fc_dc/dc/dcRange<4.7
OR
siemens_agsiemens_ag_siplus_s7-1200_cpu_1212_ac/dc/rlyRange<4.7
OR
siemens_agsiemens_ag_simatic_s7-1200_cpu_1211c_ac/dc/rlyRange<4.7

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09 Jan 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 36.5
CVSS 26.8
EPSS0.00507
programmable logic controllerinput data syntaxremote attackermaintenance operationssoftware vulnerability
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