Totolink LR350 cstecgi.cgi setWiFiGuestCfg buffer overflow_CVE-2026-4976

8.7 / 10

HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

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.

Basic Information

ID CVE-2026-4976

Source VulDB

Published Mar 27, 2026 at 20:29

Modified Mar 30, 2026 at 14:54

Affected Product

Vendor Totolink

Product LR350

Version 9.3.5u.6369_B20220309

Affected Versions Totolink LR350 9.3.5u.6369_B20220309

CWE Classification

CWE-120 CWE-119

References

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    "published": "2026-03-27T20:29:56.502Z",
    "modified": "2026-03-30T14:54:04.011Z",
    "type": "cve",
    "title": "Totolink LR350 cstecgi.cgi setWiFiGuestCfg buffer overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.353863\nhttps://vuldb.com/?ctiid.353863\nhttps://vuldb.com/?submit.778274\nhttps://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41781f8048a918c1c78e95064e?source=copy_link\nhttps://www.totolink.net/",
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