CVE-2026-7037CWE-77CWE-78

Totolink A8000RU CGI cstecgi.cgi setVpnPassCfg os command injection

Critical · published April 26, 2026

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

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.

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
2026-04-26T11:45Z
EPSS history
Timeline
  • 26 APR 11:45Z
    Totolink A8000RU CGI cstecgi.cgi setVpnPassCfg os command injection
    cvelistv5