CVE-2026-5978CWE-77CWE-78

Totolink A7100RU CGI cstecgi.cgi setWiFiAclRules os command injection

Critical · published April 9, 2026

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

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument mode leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly 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
2026-04-09T20:30Z
EPSS history
Timeline
  • 09 APR 20:30Z
    Totolink A7100RU CGI cstecgi.cgi setWiFiAclRules os command injection
    cvelistv5