CVE-2025-10815 HIGH

CVE-2025-10815: Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow

Vendor Tenda
Product AC20
Weakness CWE-120
Published September 22, 2025
Last update September 23, 2025
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 22, 2025 CVE published
September 23, 2025 Record updated