CVE-2026-7240

CRITICAL

Totolink A8000RU CGI cstecgi.cgi setVpnAccountCfg os command injection

Title source: cna
STIX 2.1

Description

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

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 28, 2026
Tracked Since Apr 28, 2026