CVE-2026-5021

high

Description

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.

References

https://www.tenda.com.cn/

https://vuldb.com/vuln/353906/cti

https://vuldb.com/vuln/353906

https://vuldb.com/submit/778415

https://github.com/Litengzheng/vul_db/blob/main/F453/vul_92/README.md

Details

Source: Mitre, NVD

Published: 2026-03-29

Updated: 2026-03-29

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

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

Severity: High