RCE in Totolink N300rh
CVE-2026-3301
A security flaw has been discovered in Totolink N300RH 6.1c.1353_B20190305. Affected by this vulnerability is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.040 (89.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Totolink N300rh — versions 4.0, 6.1c.1353_B20190305
- Totolink N300rh_firmware — versions 6.1c.1349_b20181018, 6.1c.1353_b20190305
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-3301?
- CVE-2026-3301 is a critical-severity vulnerability in Totolink N300rh, classified under Command Injection. CVSS score: 9.8/10. Published 2026-02-27.
- How severe is CVE-2026-3301?
- Critical severity. CVSS v3 base score is 9.8 out of 10.