CVE-2026-5977

CriticalCVSS 9.8/10Last modified Oct 26, 2026

Description

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wifiOff can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

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-77 CWE-78

Affected software

Vendor	Product	Versions
Totolink	A7100RU	7.4cu.2313_b20191024

References

Timeline

Published: Apr 9, 2026
Last modified: Oct 26, 2026
NVD status: Deferred

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