CVE-2026-4976

High

Description

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

SeverityHigh
CVSS8.8
Exploit probability52. percentile0.7%
ProductTotolink Lr350 Firmware
PublishedMar 27, 2026
First seenMar 27, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
totolink lr350_firmware9.3.5u.6369_b20220309—

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CVE-2026-4976 · Totolink Lr350 Firmware · Dark Radar