CVE-2026-3809 HIGH

CVE-2026-3809: Tenda FH1202 NatSaticSetting fromNatStaticSetting stack-based overflow

Vendor Tenda
Product FH1202
Weakness CWE-121
Published March 9, 2026
Last update March 10, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

A flaw has been found in Tenda FH1202 1.2.0.14(408). The impacted element is the function fromNatStaticSetting of the file /goform/NatSaticSetting. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

March 9, 2026 CVE published
March 10, 2026 Record updated