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 injecti…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.005 (66.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Totolink N300rh — versions 4.0, 6..1c.1353_B20190305
- Totolink N300rh_firmware — versions 6.1c.1353_b20190305
Weakness classification (CWE)
References
- VDB-349642 | Totolink N300RH CGI cstecgi.cgi setWiFiWpsConfig os command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-349642 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #765681 | Totolink N300RHv4 V6.1c.1353_B20190305 OS Command Injection (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
- cna@vuldb.com (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.