CVE-2026-7037

CRITICAL

Totolink A8000RU CGI cstecgi.cgi setVpnPassCfg os command injection

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 9.8
EPSS 0.0089
EPSS Percentile 75.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-77 CWE-78
Status published
Products (1)
Totolink/A8000RU 7.1cu.643_b20200521
Published Apr 26, 2026
Tracked Since Apr 26, 2026