High severity · published Sep 22, 2025
CVE-2025-10815
Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might 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)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC20 · Tenda
16.03.08.0; 16.03.08.1; 16.03.08.2; 16.03.08.3; 16.03.08.4; 16.03.08.5; +7 more · source: vendor
AF
Ac20 Firmware · Tenda
through 16.03.08.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-10815
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-10815
Not Applicable
https://github.com/Juana-2u/Tenda-AC20
Permissions Required
https://vuldb.com/?ctiid.325173
Third Party Advisory
https://vuldb.com/?id.325173
Third Party Advisory
https://vuldb.com/?submit.654460
Product
https://www.tenda.com.cn/
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