CVE-2026-5105CWE-74CWE-77

Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection

Medium · published March 30, 2026

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

A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public 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
2026-03-30T03:00Z
EPSS history
Timeline
  • 30 MAR 03:00Z
    Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection
    cvelistv5