CVE-2026-7241 CRITICAL

CVE-2026-7241: Totolink A8000RU CGI cstecgi.cgi setWiFiBasicCfg os command injection

Vendor Totolink
Product A8000RU
Weakness CWE-78
Published April 28, 2026
Last update April 29, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wifiOff results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 29, 2026 Record updated