CVE-2026-9456CWE-77CWE-78

Totolink A8000RU Web Management cstecgi.cgi setOpenVpnCfg os command injection

Critical · published May 25, 2026

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

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enabled results in os command injection. The attack can be executed remotely. The exploit has been made public and could 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
2026-05-25T12:00Z
EPSS history
Timeline
  • 25 MAY 12:00Z
    Totolink A8000RU Web Management cstecgi.cgi setOpenVpnCfg os command injection
    cvelistv5