CVE-2026-5021
HIGHTenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow
Title source: cnaDescription
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.
Scores
CVSS v3
8.8
EPSS
0.0008
EPSS Percentile
23.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-121
CWE-787
Status
published
Products (2)
Tenda/F453
1.0.0.3
tenda/f453_firmware
1.0.0.3
Published
Mar 29, 2026
Tracked Since
Mar 29, 2026