CVE-2026-4976

CWE-119 — Buffer OverflowCWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
7.4HIGH
EPSS
0.1%
top 65.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Totolink Lr350Totolink Lr350 Firmware
Timeline
PublishedMar 27

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.

CVSS vector

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

Affected Packages2 packages

▶CVEListV5totolink/lr3509.3.5u.6369_B20220309
▶NVDtotolink/lr350_firmware9.3.5u.6369_b20220309

🔴Vulnerability Details

2
CVEList
Totolink LR350 cstecgi.cgi setWiFiGuestCfg buffer overflow↗2026-03-27
▶
GHSA
GHSA-h682-387f-gvmv: A vulnerability was found in Totolink LR350 9↗2026-03-27
▶