High 8.8Published Jan 19, 2026

CVE-2026-1155Totolink LR350 cstecgi.cgi setWiFiEasyGuestCfg buffer overflow

Updated under an hour ago (Oct 26, 2026, 10:40 PM ET)

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It affects Totolink LR350. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Totolink LR350

Exploited in the last 30 days

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: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-120, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Feb 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink LR350 totolink:lr350_firmware	9.3.5u.6369_B20220309	CNA record
totolink lr350_firmware totolink:lr350_firmware	9.3.5u.6369_b20220309	NVD

References

References

https://vuldb.com/?id.341749	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.341749	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.735718	third-party-advisory, vdb-entry
https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiEasyGuestCfg-2e453a41781f8034bae3d1a11066a8fb?source=copy_link	exploit, third-party-advisory
https://www.totolink.net/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.