CVE-2026-1155 HIGH

CVE-2026-1155: Totolink LR350 cstecgi.cgi setWiFiEasyGuestCfg buffer overflow

Vendor Totolink
Product LR350
Weakness CWE-120
Published January 19, 2026
Last update February 23, 2026
View on NVD All CVEs

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 vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

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