RCE in Totolink Ca750-Poe
CVE-2026-9534
A flaw has been found in Totolink CA750-PoE 6.2c.510. This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument PIN can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published 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 over last 30 days · oldest: 0.108 · newest: 0.018 · change: -0.090
Affected products
- Totolink Ca750-Poe — versions 6.2c.510
Weakness classification (CWE)
References
- vuldb.com/vuln/365561 (technical-description, vdb-entry)
- vuldb.com/vuln/365561/cti (signature, permissions-required)
- vuldb.com/submit/813938 (third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_57/57.md (exploit)
- www.totolink.net/ (product)
Frequently asked questions
- What is CVE-2026-9534?
- CVE-2026-9534 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-2026-9534?
- Medium severity. CVSS v3 base score is 6.3 out of 10.