CVE-2026-7079: Tenda F456 httpd AdvSetWan fromAdvSetWan buffer overflow

Published Apr 27, 2026
·
Updated

A weakness has been identified in Tenda F456 1.0.0.5. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. This manipulation of the argument wanmode causes buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

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·02:30 AM
Data Sourced
via MITRE·02:30 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
Oct 6, 58306
Event
via FIRST·05:52 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-7079?

CVE-2026-7079 is categorized as a high severity vulnerability due to the potential for remote code execution from a buffer overflow.

2

How do I fix CVE-2026-7079?

To mitigate CVE-2026-7079, users should update their Tenda F456 firmware to the latest version provided by Tenda.

3

What type of vulnerability is CVE-2026-7079?

CVE-2026-7079 is a buffer overflow vulnerability affecting the HTTP daemon of the Tenda F456 router.

4

Who is affected by CVE-2026-7079?

CVE-2026-7079 specifically affects users running Tenda F456 with firmware version 1.0.0.5.

5

What component is involved in CVE-2026-7079?

CVE-2026-7079 involves the httpd component, specifically the function fromAdvSetWan in the Tenda F456 router.

Contact

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