CVE-2026-5991: Tenda F451 WrlExtraSet formWrlExtraSet stack-based overflow

Published Apr 9, 2026
·
Updated

A vulnerability was found in Tenda F451 1.0.0.7. Affected by this issue is the function formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

Affected Software

3 affected components
Tenda Tenda F451=1.0.0.7
All of the following
Tenda F451 Firmware=1.0.0.7
Tenda F451

Event History

Apr 9, 2026
CVE Published
via MITRE·11:45 PM
Data Sourced
via MITRE·11:45 PM
DescriptionSeverityWeakness
Apr 10, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-5991?

CVE-2026-5991 is classified as a medium severity vulnerability due to its potential for stack-based buffer overflow.

2

How do I fix CVE-2026-5991?

To fix CVE-2026-5991, update the Tenda F451 firmware to the latest version provided by the vendor.

3

What is affected by CVE-2026-5991?

CVE-2026-5991 affects Tenda F451 version 1.0.0.7 specifically.

4

What type of vulnerability is CVE-2026-5991?

CVE-2026-5991 is a stack-based buffer overflow vulnerability found in the formWrlExtraSet function.

5

How could an attacker exploit CVE-2026-5991?

An attacker could exploit CVE-2026-5991 by manipulating the GO argument in a request to the /goform/WrlExtraSet file.

Contact

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