CVE-2026-5021

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-121 CWE-787

Affected software

Vendor	Product	Versions
Tenda	F453	1.0.0.3

References

https://github.com/Litengzheng/vul_db/blob/main/F453/vul_92/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/778415Third Party Advisory, VDB Entry
https://vuldb.com/vuln/353906Third Party Advisory, VDB Entry
https://vuldb.com/vuln/353906/ctiPermissions Required, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Mar 29, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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