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

Published Mar 9, 2026
·
Updated

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.

Affected Software

3 affected components
Tenda FH1202
All of the following
Tenda Fh1202 Firmware=1.2.0.14\(408\)
Tenda FH1202

Event History

Mar 9, 2026
CVE Published
via MITRE·07:32 AM
Data Sourced
via MITRE·07:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 AM
DescriptionSeverityWeaknessAffected Software
Jul 22, 58183
Event
via NVD·08:12 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-3809?

CVE-2026-3809 has been classified as a critical vulnerability due to its potential for exploitation leading to stack-based buffer overflow.

2

How do I fix CVE-2026-3809?

To mitigate CVE-2026-3809, upgrade to the latest version of Tenda FH1202 firmware that rectifies the stack-based overflow issue.

3

Who is affected by CVE-2026-3809?

CVE-2026-3809 affects users of the Tenda FH1202 device running firmware version 1.2.0.14(408).

4

What is the nature of the vulnerability in CVE-2026-3809?

CVE-2026-3809 is a stack-based buffer overflow vulnerability caused by improper handling of input in the fromNatStaticSetting function.

5

Can CVE-2026-3809 be exploited remotely?

Yes, CVE-2026-3809 can be exploited remotely if an attacker is able to manipulate the argument page.

Contact

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