CVE-2025-10803 HIGH

CVE-2025-10803: Tenda AC23 HTTP POST Request SetPptpServerCfg sscanf buffer overflow

Vendor Tenda
Product AC23
Weakness CWE-120
Published September 22, 2025
Last update September 22, 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 has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

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