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CVE-2026-4976

Totolink LR350 cstecgi.cgi setWiFiGuestCfg buffer overflow

CVSS 8.7 HIGHEPSS 0.7%CWE-119CWE-120
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: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
Affected products
Totolink · LR350
public PoCs found — 1
cve_referencelavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41781f8048a918c1c78e95064e?source=copy_linkunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41781f8048a918c1c78e95064e?source=copy_linkhttps://vuldb.com/?ctiid.353863https://vuldb.com/?id.353863https://vuldb.com/?submit.778274https://www.totolink.net/