CVE-2026-5980: D-Link DIR-605L POST Request formSetMACFilter buffer overflow

Published Apr 9, 2026
·
Updated

A flaw has been found in D-Link DIR-605L 2.13B01. Affected by this issue is the function formSetMACFilter of the file /goform/formSetMACFilter of the component POST Request Handler. This manipulation of the argument curTime causes buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected Software

3 affected components
D-Link DIR-605L=2.13B01
All of the following
Dlink Dir-605l Firmware=2.13b01
Dlink Dir-605l

Event History

Apr 9, 2026
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-5980?

CVE-2026-5980 is considered a high severity vulnerability due to the buffer overflow that can be exploited.

2

How can I fix CVE-2026-5980?

To fix CVE-2026-5980, update your D-Link DIR-605L router to the latest firmware version provided by D-Link.

3

What types of systems are affected by CVE-2026-5980?

CVE-2026-5980 affects the D-Link DIR-605L router running firmware version 2.13B01.

4

What is a buffer overflow in the context of CVE-2026-5980?

In CVE-2026-5980, a buffer overflow occurs when the function formSetMACFilter improperly handles input, allowing attackers to overwrite memory.

5

Can CVE-2026-5980 cause remote code execution?

Yes, CVE-2026-5980 can potentially allow remote code execution if exploited by an attacker.

Contact

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