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CVE-2026-3301

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/27/2026

Last Modified2/27/2026

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:n300rhtotolink:n300rh_firmware

Weaknesses (CWE)

CWE-77CWE-78CWE-78

References

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/N300RHv4/01_setWebWlanIdx_RCE/README.md(cna@vuldb.com)

https://vuldb.com/?ctiid.348052(cna@vuldb.com)

https://vuldb.com/?id.348052(cna@vuldb.com)

https://vuldb.com/?submit.761297(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.