CVE-2026-5178CWE-74CWE-77

Totolink A3300R cstecgi.cgi setIptvCfg command injection

Medium · published March 31, 2026

CVSS v4.0
5.3
EPSS
4%
Percentile
89.2
In the wild
Unconfirmed
What it is

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.03550 · 89.2th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-03-31T03:00Z
EPSS history
Timeline
  • 31 MAR 03:00Z
    Totolink A3300R cstecgi.cgi setIptvCfg command injection
    cvelistv5