CVE-2026-7242 CRITICAL

CVE-2026-7242: Totolink A8000RU CGI cstecgi.cgi setOpenVpnClientCfg os command injection

Vendor Totolink
Product A8000RU
Weakness CWE-78
Published April 28, 2026
Last update April 28, 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 determined in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnClientCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enabled can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

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