RCE in Totolink N300rh
CVE-2026-3696
A vulnerability was found in Totolink N300RH 6..1c.1353_B20190305. The affected element is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.029 (86.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.029 · change: +0.008
Affected products
- Totolink N300rh — versions 4.0, 6..1c.1353_B20190305
- Totolink N300rh Firmware — versions 6.1c.1353_b20190305
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/JXBbozaihuang/vuln-research/issues/2 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2026-3696?
- CVE-2026-3696 is a high-severity vulnerability in Totolink N300rh, classified under Command Injection. CVSS score: 7.3/10. Published 2026-03-08.
- How severe is CVE-2026-3696?
- High severity. CVSS v3 base score is 7.3 out of 10.