Critical severity · published Oct 9, 2025
CVE-2025-11549
A vulnerability has been found in Tenda W12 3.0.0.6(3948)
9.8
CVSS
8.5%
EPSS
No
On KEV
Description
A vulnerability has been found in Tenda W12 3.0.0.6(3948). The affected element is the function wifiMacFilterSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument mac leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.5% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
W12 Firmware · Tenda
3.0.0.6(3948) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11549
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11549
Exploit
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_W12/cgiWifiMacFilterSet/cgiWifiMacFilterSet.md
Permissions Required
https://vuldb.com/?ctiid.327708
Third Party Advisory
https://vuldb.com/?id.327708
Third Party Advisory
https://vuldb.com/?submit.670110
Product
https://www.tenda.com.cn/
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