CVE-2026-4534: Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow

Published Mar 22, 2026
·
Updated

A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

Affected Software

3 affected components
Tenda FH451=1.0.0.9
All of the following
Tenda Fh451 Firmware=1.0.0.9
Tenda FH451

Event History

Mar 22, 2026
CVE Published
via MITRE·03:32 AM
Data Sourced
via MITRE·03:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Apr 7, 58249
Event
via FIRST·04:35 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-4534?

CVE-2026-4534 has been classified as a high severity vulnerability due to its ability to trigger a stack-based buffer overflow remotely.

2

How do I fix CVE-2026-4534?

To remediate CVE-2026-4534, users should upgrade to the latest firmware version that addresses the stack-based buffer overflow flaw.

3

Who is affected by CVE-2026-4534?

CVE-2026-4534 specifically affects the Tenda FH451 router running version 1.0.0.9.

4

What type of attack can exploit CVE-2026-4534?

CVE-2026-4534 can be exploited through a remote attack that manipulates the argument in the formWrlExtraSet function.

5

What consequences could arise from exploiting CVE-2026-4534?

Exploiting CVE-2026-4534 could lead to arbitrary code execution on the affected device, compromising its security and functionality.

Contact

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