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Critical

TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow

Type: advisorySource: Official CVE List1 source record

A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. The manipulation of the argument Comment results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Announced Source revision 1
Original source ↗

CVE-2026-114382

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-114382

EX200

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:2.3:o:totolink:ex200_firmware:*:*:*:*:*:*:*:*"
    ],
    "vendor": "TOTOLINK",
    "modules": [
      "lan.so"
    ],
    "product": "EX200",
    "versions": [
      {
        "status": "affected",
        "version": "5.2.3c.7200"
      }
    ]
  }
]
Related CVEs
CVE-2026-114382

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#49988 · Revision 1
Added to Heist Feed
Publisher date
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