CVE-2025-67187CRITICAL 9.8EPSS p34.9%

CVE-2025-67187CVE-2025-67187

Description

A stack-based buffer overflow vulnerability was identified in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The flaw exists in the setIpQosRules interface of /lib/cste_modules/firewall.so where the comment parameter is not properly validated for length.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.44% probability of exploitation · percentile 34.9% · 2026-06-18T12:00:27Z
Published2026-02-03
Last modified2026-02-10

Underlying weaknesses· 1

CWE-121

References

  1. https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setIpQosRules-comment-buffer.md

1

TypeTargetConfidenceTier
WeaknessStack-based Buffer Overflowcwe-1210%live

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