High severity · published Jan 13, 2026
CVE-2025-71025
Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the cloneType2 parameter of the fromAdvSetMacMtuWan function
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the cloneType2 parameter of the fromAdvSetMacMtuWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ax3 Firmware · Tenda
16.03.12.10_cn · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-71025
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-71025
Exploit
https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-3/10/1.md
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