Critical severity9.8NVD Advisory· Published Feb 3, 2026· Updated Jun 17, 2026

CVE-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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Totolink/A950rg Firmware
cpe:2.3:o:totolink:a950rg_firmware:4.1.2cu.5204_b20210112:*:*:*:*:*:*:*
Totolink/A950RGcpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: V4.1.2cu.5204_B20210112

Patches

Vulnerability mechanics

References

github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A950RG/5024-setIpQosRules-comment-buffer.mdnvdExploitThird Party Advisory

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