CVE-2026-1158 HIGH

CVE-2026-1158: Totolink LR350 POST Request cstecgi.cgi setWizardCfg buffer overflow

Vendor Totolink
Product LR350
Weakness CWE-120
Published January 19, 2026
Last update February 23, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security flaw has been discovered in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Performing a manipulation of the argument ssid results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

January 19, 2026 CVE published
February 23, 2026 Record updated