CVE-2026-51709

CriticalCVSS 9.8/10Last modified Sep 1, 2026

Description

Incorrect access control in the setWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reconfigure primary Wi-Fi settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published
Aug 31, 2026
Last modified
Sep 1, 2026
NVD status
Deferred

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CVE-2026-51709: Critical severity, CVSS 9.8 | Vulnix