CVE-2026-5691CWE-77CWE-78

Totolink A7100RU cstecgi.cgi setFirewallType os command injection

Medium · published April 6, 2026

CVSS v4.0
6.9
EPSS
2%
Percentile
81.2
In the wild
Unconfirmed
What it is

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setFirewallType of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.02060 · 81.2th 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
2026-04-06T23:00Z
EPSS history
Timeline
  • 06 APR 23:00Z
    Totolink A7100RU cstecgi.cgi setFirewallType os command injection
    cvelistv5