CVE-2026-5984 D-Link DIR-605L POST Request formSetLog buffer overflow

High 8.7 Published 9 Apr 2026 Updated 10 Apr 2026

Remote attackers can exploit a buffer overflow in the D-Link DIR-605L router's log handler to execute arbitrary code on the unsupported device.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-5984?

CVE-2026-5984 is a high-severity memory corruption vulnerability in Dlink Dir-605l Firmware, published on 9 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in D-Link DIR-605L 2.13B01. Impacted is the function formSetLog of the file /goform/formSetLog of the component POST Request Handler. The manipulation of the argument curTime leads to buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-5984?

It affects 1 product.

Products include Dlink Dir-605l Firmware.

How do I fix CVE-2026-5984?

No fix has been published for CVE-2026-5984 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-5984 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5984 exists.

All Dlink Dir-605l Firmware vulnerabilities

Sources

Also known as GHSA-vrqw-grr3-6x6h.