CVE-2026-5982 D-Link DIR-605L POST Request formAdvNetwork buffer overflow

High 8.7 Published Updated

Remote attackers can trigger a buffer overflow in the D-Link DIR-605L router via a crafted POST request, potentially leading to code execution or denial of service.

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-2026-5982?

CVE-2026-5982 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 found in D-Link DIR-605L 2.13B01. This vulnerability affects the function formAdvNetwork of the file /goform/formAdvNetwork of the component POST Request Handler. Performing a manipulation of the argument curTime results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could 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-2026-5982?

It affects 1 product.

Products include Dlink Dir-605l Firmware.

How do I fix CVE-2026-5982?

No fix has been published for CVE-2026-5982 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-2026-5982 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5982 exists.

All Dlink Dir-605l Firmware vulnerabilities

Sources

Also known as GHSA-hj65-rw2v-r6pj.

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