CVE-2026-7203

CRITICAL

Totolink A8000RU CGI cstecgi.cgi setUrlFilterRules os command injection

Title source: cna
STIX 2.1

Description

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used.

References (5)

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