CVE-2026-7069 D-Link DIR-825 miniupnpd upnpsoap.c AddPortMapping buffer overflow

High 8.6 Published 27 Apr 2026 Updated 27 Apr 2026

A buffer overflow in the miniupnpd component of D-Link DIR-825 routers allows local attackers to execute arbitrary code via a crafted AddPortMapping request.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-7069?

CVE-2026-7069 is a high-severity memory corruption vulnerability in D-Link DIR-825, published on 27 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security flaw has been discovered in D-Link DIR-825 up to 3.00b32. This impacts the function AddPortMapping of the file upnpsoap.c of the component miniupnpd. Performing a manipulation of the argument NewPortMappingDescription results in buffer overflow. The attack needs to be approached within the local network. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2026-7069?

It affects 1 product.

Products include Dlink Dir-825 Firmware.

How do I fix CVE-2026-7069?

No fix has been published for CVE-2026-7069 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-2026-7069 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7069 exists.

Sources

Also known as GHSA-2px7-g5g7-9jfm.