Description
A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the setRadvdCfg interface of the /lib/cste_modules/ipv6.so module. The function fails to properly validate the length of the user-controlled radvdinterfacename parameter, allowing remote attackers to trigger a stack buffer overflow.
Published: 2026-02-03
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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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

Thu, 05 Feb 2026 15:15:00 +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 12:15:00 +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 A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the setRadvdCfg interface of the /lib/cste_modules/ipv6.so module. The function fails to properly validate the length of the user-controlled radvdinterfacename parameter, allowing remote attackers to trigger a stack buffer overflow.
References

Subscriptions

Totolink A950rg A950rg Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-05T14:33:55.035Z

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

Link: CVE-2025-67188

cve-icon Vulnrichment

Updated: 2026-02-05T14:33:40.411Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-03T18:16:16.280

Modified: 2026-02-10T14:15:36.743

Link: CVE-2025-67188

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:13:52Z

Weaknesses