CVE-2026-6200: Tenda F456 webtypelibrary formwebtypelibrary stack-based overflow

Published Apr 13, 2026
·
Updated

A vulnerability was determined in Tenda F456 1.0.0.5. The affected element is the function formwebtypelibrary of the file /goform/webtypelibrary. This manipulation of the argument menufacturer/Go causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Affected Software

1 affected component
Tenda Tenda F456=1.0.0.5

Event History

Apr 13, 2026
CVE Published
via MITRE·06:45 PM
Data Sourced
via MITRE·06:45 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeakness
Jun 7, 58268
Event
via FIRST·03:46 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-6200?

CVE-2026-6200 is classified as a critical vulnerability due to its potential to allow arbitrary code execution through stack-based buffer overflow.

2

How does CVE-2026-6200 affect Tenda F456 devices?

CVE-2026-6200 affects Tenda F456 devices running version 1.0.0.5, specifically targeting the formwebtypelibrary function.

3

How do I fix CVE-2026-6200?

To mitigate CVE-2026-6200, users should update the Tenda F456 firmware to the latest version provided by the vendor.

4

What is a stack-based buffer overflow in relation to CVE-2026-6200?

In CVE-2026-6200, a stack-based buffer overflow occurs when the function formwebtypelibrary improperly handles input, leading to potential code execution.

5

Are there any specific mitigations for CVE-2026-6200?

In addition to firmware updates, it is recommended to change default credentials and apply network-layer protections to mitigate CVE-2026-6200.

Contact

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