CVE-2026-6113CWE-77CWE-78

Totolink A7100RU CGI cstecgi.cgi setTtyServiceCfg os command injection

Critical · published April 12, 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 by this vulnerability is the function setTtyServiceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument ttyEnable leads to os command injection. The attack can be launched 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
2026-04-12T03:00Z
EPSS history
Timeline
  • 12 APR 03:00Z
    Totolink A7100RU CGI cstecgi.cgi setTtyServiceCfg os command injection
    cvelistv5