High 8.8Published Oct 8, 2025

CVE-2025-11444TOTOLINK N600R HTTP Request cstecgi.cgi setWiFiBasicConfig buffer overflow

Updated under an hour ago (Oct 28, 2026, 6:00 AM ET)

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It affects TOTOLINK N600R. 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 N600R

Exploited in the last 30 days

A security vulnerability has been detected in TOTOLINK N600R up to 4.3.0cu.7866_B20220506. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi of the component HTTP Request Handler. Such manipulation of the argument wepkey leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may 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 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TOTOLINK N600R totolink:n600r_firmware	4.3.0cu.7866_B20220506	CNA record
totolink n600r_firmware totolink:n600r_firmware	through 4.3.0cu.7866_b2022506	NVD

References

References

https://vuldb.com/?id.327381	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.327381	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.666915	third-party-advisory, vdb-entry
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md	exploit, third-party-advisory
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md#reproduce	exploit
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.