Unrated severityNVD Advisory· Published Feb 27, 2026· Updated Feb 27, 2026
Totolink N300RH Web Management cstecgi.cgi setWebWlanIdx os command injection
CVE-2026-3301
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.
Affected products
2- cpe:2.3:o:totolink:n300rh_firmware:*:*:*:*:*:*:*:*Range: 6.1c.1353_B20190305
Patches
Vulnerability mechanics
References
5- github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/N300RHv4/01_setWebWlanIdx_RCE/README.mdmitreexploit
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.totolink.netmitreproduct
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