Vulnerability Monitor

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CVE-2025-11444

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.

Published

2025-10-08T08:15:32.917

Last Modified

2025-10-14T20:16:01.657

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-119
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	totolink	n600r_firmware	≤ 4.3.0cu.7866_b2022506	Yes
Hardware	totolink	n600r	-	No

References

https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md Exploit, Third Party Advisory ([email protected])
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md#reproduce Exploit ([email protected])
https://vuldb.com/?ctiid.327381 Permissions Required, VDB Entry ([email protected])
https://vuldb.com/?id.327381 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.666915 Third Party Advisory, VDB Entry ([email protected])
https://www.totolink.net/ Product ([email protected])
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md Exploit, Third Party Advisory (134c704f-9b21-4f2e-91b3-4a467353bcc0)
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md#reproduce Exploit (134c704f-9b21-4f2e-91b3-4a467353bcc0)