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CVE-2026-1155

Totolink LR350 cstecgi.cgi setWiFiEasyGuestCfg buffer overflow

CVSS 8.7 HIGHEPSS 0.8%CWE-119CWE-120
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
19 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. 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

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References
https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiEasyGuestCfg-2e453a41781f8034bae3d1a11066a8fb?source=copy_linkhttps://vuldb.com/?ctiid.341749https://vuldb.com/?id.341749https://vuldb.com/?submit.735718https://www.totolink.net/