CVE-2026-5021CWE-119CWE-121

Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow

High · published March 29, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
62.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.01009 · 62.7th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-29T01:15Z
EPSS history
Timeline
  • 29 MAR 01:15Z
    Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow
    cvelistv5