CVE-2026-3808: Tenda FH1202 webtypelibrary formWebTypeLibrary stack-based overflow

Published Mar 9, 2026
·
Updated

A vulnerability was detected in Tenda FH1202 1.2.0.14(408). The affected element is the function formWebTypeLibrary of the file /goform/webtypelibrary. Performing a manipulation of the argument webSiteId results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public 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·07:02 AM
Data Sourced
via MITRE·07:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 AM
DescriptionSeverityWeaknessAffected Software
Aug 9, 58172
Event
via FIRST·04:21 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-3808?

CVE-2026-3808 is classified as a critical severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2026-3808?

To fix CVE-2026-3808, update the Tenda FH1202 device firmware to the latest version provided by the vendor.

3

What is the impact of CVE-2026-3808?

The impact of CVE-2026-3808 includes the possibility of remote attackers gaining unauthorized access and executing arbitrary code on the affected device.

4

Which products are affected by CVE-2026-3808?

CVE-2026-3808 affects the Tenda FH1202 firmware version 1.2.0.14(408).

5

How is CVE-2026-3808 exploited?

CVE-2026-3808 can be exploited by manipulating the argument 'webSiteId' in the formWebTypeLibrary function, resulting in a stack-based buffer overflow.

Contact

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