CVE-2026-7037 CRITICAL

CVE-2026-7037: Totolink A8000RU CGI cstecgi.cgi setVpnPassCfg os command injection

Vendor Totolink
Product A8000RU
Weakness CWE-78
Published April 26, 2026
Last update April 27, 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 security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

April 26, 2026 CVE published
April 27, 2026 Record updated