CVE-2026-7068 D-Link DIR-825 nmbd sserver.c NMBD_process buffer overflow

High 8.7 Published 26 Apr 2026 Updated 27 Apr 2026

A buffer overflow in the nmbd component of D-Link DIR-825 routers allows local network attackers to execute arbitrary code on unsupported devices.

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

What is CVE-2026-7068?

CVE-2026-7068 is a high-severity memory corruption vulnerability in D-Link DIR-825, published on 26 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was identified in D-Link DIR-825 3.00b32. This affects the function NMBD_process of the file sserver.c of the component nmbd. Such manipulation leads to buffer overflow. The attack can only be initiated within the local network. 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-2026-7068?

It affects 1 product.

Products include Dlink Dir-825 Firmware.

How do I fix CVE-2026-7068?

No fix has been published for CVE-2026-7068 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-2026-7068 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7068 exists.

Sources

Also known as GHSA-hfjq-j2mj-45hr.