RCE in Totolink Ca750-poe

CVE-2026-9511

A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command inje…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.037 (88.2th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9511?
CVE-2026-9511 is a medium-severity vulnerability in Totolink Ca750-poe, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-25.
How severe is CVE-2026-9511?
Medium severity. CVSS v3 base score is 6.3 out of 10.