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CVE-2026-4211

🗓️ 16 Mar 2026 03:32:10Reported by VulDBType 
cve
 cve🔗 web.nvd.nist.gov👁 22 Views🌐 WEB

D-Link devices remote stack overflow in Local Backup Info via local_backup_mgr.cgi (CVE-2026-4211).

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb		CVE-2026-4211
16 Mar 202603:32
–attackerkb
bdu_fstec		The vulnerability of the Local_Backup_Info function in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05, and DNS-1550-04 microprogramming devices allows a perpetrator to compromise the confidentiality, integrity, and accessibility of protected information.
9 Jul 202600:00
–bdu_fstec
circl		CVE-2026-4211
19 Mar 202615:20
–circl
cnnvd		D-Link多款产品 安全漏洞
16 Mar 202600:00
–cnnvd
cvelist		CVE-2026-4211 D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow
16 Mar 202603:32
–cvelist
euvd		EUVD-2026-12284
16 Mar 202615:30
–euvd
nvd		CVE-2026-4211
16 Mar 202614:20
–nvd
ptsecurity		PT-2026-25591
16 Mar 202600:00
–ptsecurity
redhatcve		CVE-2026-4211
26 Mar 202614:58
–redhatcve
vulnrichment		CVE-2026-4211 D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow
16 Mar 202603:32
–vulnrichment
Rows per page
NVD
Vulners
Node
AND
dlinkdnr-202l_firmwareRange≤2026-02-05
dlinkdnr-202lMatch-
Node
AND
dlinkdnr-326_firmwareRange≤2026-02-05
dlinkdnr-326Match-
Node
AND
dlinkdns-1100-4_firmwareRange≤2026-02-05
dlinkdns-1100-4Match-
Node
AND
dlinkdns-120_firmwareRange≤2026-02-05
dlinkdns-120Match-
Node
AND
dlinkdns-1200-05_firmwareRange≤2026-02-05
dlinkdns-1200-05Match-
Node
AND
dlinkdns-1550-04_firmwareRange≤2026-02-05
dlinkdns-1550-04Match-
Node
AND
dlinkdns-315l_firmwareRange≤2026-02-05
dlinkdns-315lMatch-
Node
AND
dlinkdns-320_firmwareRange≤2026-02-05
dlinkdns-320Match-
Node
AND
dlinkdns-320l_firmwareRange≤2026-02-05
dlinkdns-320lMatch-
Node
AND
dlinkdns-320lw_firmwareRange≤2026-02-05
dlinkdns-320lwMatch-
Node
AND
dlinkdns-321_firmwareRange≤2026-02-05
dlinkdns-321Match-
Node
AND
dlinkdns-322l_firmwareRange≤2026-02-05
dlinkdns-322lMatch-
Node
AND
dlinkdns-323_firmwareRange≤2026-02-05
dlinkdns-323Match-
Node
AND
dlinkdns-325_firmwareRange≤2026-02-05
dlinkdns-325Match-
Node
AND
dlinkdns-326_firmwareRange≤2026-02-05
dlinkdns-326Match-
Node
AND
dlinkdns-327l_firmwareRange≤2026-02-05
dlinkdns-327lMatch-
Node
AND
dlinkdns-340l_firmwareRange≤2026-02-05
dlinkdns-340lMatch-
Node
AND
dlinkdns-343_firmwareRange≤2026-02-05
dlinkdns-343Match-
Node
AND
dlinkdns-345_firmwareRange≤2026-02-05
dlinkdns-345Match-
Node
AND
dlinkdns-726-4_firmwareRange≤2026-02-05
dlinkdns-726-4Match-
[
  {
    "vendor": "D-Link",
    "product": "DNS-120",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNR-202L",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-315L",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-320",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-320L",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-320LW",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-321",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNR-322L",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-323",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-325",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-326",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-327L",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNR-326",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-340L",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-343",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-345",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-726-4",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-1100-4",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-1200-05",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "D-Link",
    "product": "DNS-1550-04",
    "versions": [
      {
        "version": "20260205",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
f_idxquery param/cgi-bin/local_backup_mgr.cgiRemote exploitation via manipulation of the f_idx argument in the Local_Backup_Info function leading to a stack-based buffer overflow.CWE-787, CWE-121, CWE-119

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17 Jun 2026 10:56Current
7.9High risk
Vulners AI Score7.9
CVSS 3.18.8 - 9.8
CVSS 48.7
CVSS 29
CVSS 38.8
EPSS0.00793
SSVC
CWE-119CWE-787CWE-121
D-Link devicesLocal Backup InfoStack overflowlocal_backup_mgr.cgiRemote exploit
22