CVE-2026-7203 CRITICAL

CVE-2026-7203: Totolink A8000RU CGI cstecgi.cgi setUrlFilterRules os command injection

Vendor Totolink
Product A8000RU
Weakness CWE-78
Published April 28, 2026
Last update April 29, 2026
View on NVD All CVEs

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 vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be launched 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