CVE-2026-5021

HIGH

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.

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 3/29/2026Modified: 3/30/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-5021 — A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromPPTPU...

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.

CVE-2026-5021
NIST NVD

References (5)

https://github.com/Litengzheng/vul_db/blob/main/F453/vul_92/README.mdExploitThird Party Advisoryhttps://vuldb.com/submit/778415Third Party AdvisoryVDB Entryhttps://vuldb.com/vuln/353906Third Party AdvisoryVDB Entryhttps://vuldb.com/vuln/353906/ctiPermissions RequiredVDB Entryhttps://www.tenda.com.cn/Product