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High severity · published Oct 8, 2025
CVE-2025-11444
A security vulnerability has been detected in TOTOLINK N600R up to 4.3.0cu.7866_B20220506
8.8
CVSS
1%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
N600r Firmware · Totolink
through 4.3.0cu.7866_b2022506 · source: NVD
Affected product
NF
N600r Firmware
Totolink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11444
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11444
Exploit
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md
Exploit
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md#reproduce
Permissions Required
https://vuldb.com/?ctiid.327381
Third Party Advisory
https://vuldb.com/?id.327381
Third Party Advisory
https://vuldb.com/?submit.666915
Product
https://www.totolink.net/
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