CVE-2026-3729 HIGH

CVE-2026-3729: Tenda F453 PPTPDClient fromPptpUserAdd stack-based overflow

Vendor Tenda
Product F453
Weakness CWE-121
Published March 8, 2026
Last update March 11, 2026

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 F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the file /goform/PPTPDClient. Such manipulation of the argument username/opttype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

March 8, 2026 CVE published
March 11, 2026 Record updated