CVE-2026-5677CWE-77CWE-78

Totolink A7100RU cstecgi.cgi CsteSystem 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 security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

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
2026-04-06T18:30Z
EPSS history
Timeline
  • 06 APR 18:30Z
    Totolink A7100RU cstecgi.cgi CsteSystem os command injection
    cvelistv5