Vulnerability Description
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 of the argument webWlanIdx results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Totolink | N300Rh Firmware | 6.1c.1349_b20181018 |
| Totolink | N300Rh | 4.0 |
Related Weaknesses (CWE)
References
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/N300RHv4/01_setWebWlanIdx_RExploitThird Party Advisory
- https://vuldb.com/?ctiid.348052Permissions RequiredVDB Entry
- https://vuldb.com/?id.348052Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.761297Third Party AdvisoryVDB Entry
- https://www.totolink.net/Product
FAQ
What is CVE-2026-3301?
CVE-2026-3301 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 Managemen...
How severe is CVE-2026-3301?
CVE-2026-3301 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-3301?
Check the references section above for vendor advisories and patch information. Affected products include: Totolink N300Rh Firmware, Totolink N300Rh.