CVE-2026-7122CWE-77CWE-78

Totolink A8000RU CGI cstecgi.cgi setUPnPCfg os command injection

Critical · published April 27, 2026

CVSS v4.0
9.3
EPSS
3%
Percentile
88.3
In the wild
Unconfirmed
What it is

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument enable leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
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
EPSS
0.03253 · 88.3th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-04-27T12:00Z
EPSS history
Timeline
  • 27 APR 12:00Z
    Totolink A8000RU CGI cstecgi.cgi setUPnPCfg os command injection
    cvelistv5