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CVE-2026-4976

HIGH

8.8

Description

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/27/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:lr350totolink:lr350_firmware

Weaknesses (CWE)

CWE-119CWE-120

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41781f8048a918c1c78e95064e?source=copy_link(cna@vuldb.com)

https://vuldb.com/?ctiid.353863(cna@vuldb.com)

https://vuldb.com/?id.353863(cna@vuldb.com)

https://vuldb.com/?submit.778274(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.