CVE-2026-7100: Tenda F456 httpd Natlimit fromNatlimitof buffer overflow

Published Apr 27, 2026
·
Updated

A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

Affected Software

3 affected components
Tenda Tenda F456=1.0.0.5
All of the following
Tenda F456 Firmware=1.0.0.5
Tenda F456

Event History

Apr 27, 2026
CVE Published
via MITRE·07:45 AM
Data Sourced
via MITRE·07:45 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
Oct 6, 58306
Event
via FIRST·08:48 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-7100?

CVE-2026-7100 has a high severity rating due to its potential to allow remote code execution through buffer overflow.

2

How do I fix CVE-2026-7100?

To fix CVE-2026-7100, users should update Tenda F456 to the latest firmware version that addresses the buffer overflow vulnerability.

3

What vulnerabilities does CVE-2026-7100 expose?

CVE-2026-7100 exposes the affected system to potential remote attacks that can lead to unauthorized access and execution of malicious code.

4

Which product is affected by CVE-2026-7100?

CVE-2026-7100 affects the Tenda F456 router running firmware version 1.0.0.5.

5

Can CVE-2026-7100 be exploited remotely?

Yes, CVE-2026-7100 can be exploited remotely, allowing attackers to execute arbitrary code on the vulnerable device.

Contact

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