CVE-2026-5021 HIGH

CVE-2026-5021: Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow

Vendor Tenda
Product F453
Weakness CWE-121
Published March 29, 2026
Last update March 30, 2026
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 flaw has been found in Tenda F453 1.0.0.3. This affects the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. This manipulation of the argument delno causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Key dates

02Disclosure timeline

March 29, 2026 CVE published
March 30, 2026 Record updated