CVE-2026-7123 CRITICAL

CVE-2026-7123: Totolink A8000RU CGI cstecgi.cgi setIptvCfg os command injection

Vendor Totolink
Product A8000RU
Weakness CWE-78
Published April 27, 2026
Last update April 27, 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. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument setIptvCfg results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

April 27, 2026 CVE published
April 27, 2026 Record updated