CVE-2026-9531CWE-77CWE-78

Totolink CA750-PoE Setting cstecgi.cgi setUpgradeUboot os command injection

Medium · published May 26, 2026

CVSS v4.0
5.3
EPSS
2%
Percentile
77.9
In the wild
Unconfirmed
What it is

A weakness has been identified in Totolink CA750-PoE 6.2c.510. Impacted is the function setUpgradeUboot of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

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
0.01768 · 77.9th 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
2026-05-26T04:45Z
EPSS history
Timeline
  • 26 MAY 04:45Z
    Totolink CA750-PoE Setting cstecgi.cgi setUpgradeUboot os command injection
    cvelistv5