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 injection. It is possible to launch the attack remotely. The exploit is publicly available and might 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: 0.011 · newest: 0.018 · change: +0.007
Affected products
- Totolink Ca750-Poe — versions 6.2c.510
Weakness classification (CWE)
References
- vuldb.com/vuln/365511 (technical-description, vdb-entry)
- vuldb.com/vuln/365511/cti (signature, permissions-required)
- vuldb.com/submit/813922 (third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.md (exploit)
- www.totolink.net/ (product)
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.