CVE-2026-5686: Tenda CX12L RouteStatic fromRouteStatic stack-based overflow

Published Apr 6, 2026
·
Updated

A security flaw has been discovered in Tenda CX12L 16.03.53.12. This vulnerability affects the function fromRouteStatic of the file /goform/RouteStatic. The manipulation of the argument page results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

Affected Software

3 affected components
Tenda CX12L=16.03.53.12
All of the following
Tenda Cx12l Firmware=16.03.53.12
Tenda CX12L

Event History

Apr 6, 2026
CVE Published
via MITRE·09:45 PM
Data Sourced
via MITRE·09:45 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-5686?

CVE-2026-5686 has been rated with a high severity level due to its potential for exploitation through stack-based buffer overflow.

2

How do I fix CVE-2026-5686?

To mitigate CVE-2026-5686, users should update the Tenda CX12L router firmware to the latest version available.

3

What systems are affected by CVE-2026-5686?

CVE-2026-5686 specifically affects Tenda CX12L routers running firmware version 16.03.53.12.

4

What is the impact of exploiting CVE-2026-5686?

Successful exploitation of CVE-2026-5686 can allow an attacker to execute arbitrary code on the vulnerable router.

5

Is there a workaround for CVE-2026-5686?

Currently, the primary recommendation for CVE-2026-5686 is to apply the firmware update, as no official workaround has been documented.

Contact

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