TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of /lib/cste_modules/firewall.so. The vulnerability occurs because the `url` parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 10 Feb 2026 14:30:00 +0000

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

Wed, 04 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
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': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 04 Feb 2026 12:30:00 +0000

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

Tue, 03 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description TOTOLINK A950RG V4.1.2cu.5204_B20210112 contains a buffer overflow vulnerability in the setUrlFilterRules interface of /lib/cste_modules/firewall.so. The vulnerability occurs because the `url` parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-04T16:24:12.547Z

Reserved: 2025-12-08T00:00:00.000Z

Link: CVE-2025-67186

cve-icon Vulnrichment

Updated: 2026-02-04T16:24:08.737Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-03T18:16:16.037

Modified: 2026-02-10T14:17:39.873

Link: CVE-2025-67186

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:17:16Z

Weaknesses