CVE-2025-67187

Published Feb 3, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Totolink a950rg Firmware
CPEs cpe:2.3:h:totolink:a950rg:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a950rg_firmware:4.1.2cu.5204_b20210112:*:*:*:*:*:*:*
Vendors & Products Totolink a950rg Firmware
Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Totolink
Totolink a950rg
Vendors & Products Totolink
Totolink a950rg
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Feb 4, 2026, 4:21 PM
Reserved
Dec 8, 2025, 12:00 AM
Status
Analyzed
Published
Feb 3, 2026, 6:16 PM
Modified
Jun 17, 2026, 9:57 AM