What is CVE-2026-9533?

CVE-2026-9533 is a medium-severity vulnerability in Totolink Ca750-poe, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-26.

How severe is CVE-2026-9533?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Totolink Ca750-poe

CVE-2026-9533

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 r…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.048 (89.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Totolink Ca750-poe — versions 6.2c.510

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-9533?: CVE-2026-9533 is a medium-severity vulnerability in Totolink Ca750-poe, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-26.
How severe is CVE-2026-9533?: Medium severity. CVSS v3 base score is 6.3 out of 10.