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 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.

• CWE-77
• CWE-78
• CWE-78

• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/N300RHv4/01_setWebWlanIdx_RCE/README.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.348052Permissions Required, VDB Entry
• https://vuldb.com/?id.348052Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.761297Third Party Advisory, VDB Entry
• https://www.totolink.net/Product

Published

Feb 27, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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