CVE-2026-9533 MEDIUM

CVE-2026-9533: Totolink CA750-PoE Setting cstecgi.cgi recvUpgradeNewFw os command injection

Vendor Totolink
Product CA750-PoE
Weakness CWE-78
Published May 26, 2026
Last update May 27, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The impacted element is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Performing a manipulation of the argument fwUrl/magicid results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

May 26, 2026 CVE published
May 27, 2026 Record updated