RCE in Totolink Ca750-Poe

CVE-2026-9532

A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument FileName leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.018 (77.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-9532: fell from 0.108 to 0.018.

EPSS over last 30 days · oldest: 0.108 · newest: 0.018 · change: -0.090

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9532?
CVE-2026-9532 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-2026-9532?
Medium severity. CVSS v3 base score is 6.3 out of 10.