CVE-2025-70218 Memory corruption in n/a

Critical 9.8 Published 4 Mar 2026 Updated 5 Mar 2026

A stack buffer overflow in the D-Link DIR-513 router allows attackers to execute arbitrary code or cause a denial of service via a crafted POST request.

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

What is CVE-2025-70218?

CVE-2025-70218 is a critical memory corruption vulnerability in n/a, published on 4 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via POST to the goform/formAdvFirewall component.

Weakness: CWE-121

Which versions are affected by CVE-2025-70218?

It affects 1 product.

Products include Dlink Dir-513 Firmware.

How do I fix CVE-2025-70218?

No fix has been published for CVE-2025-70218 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-2025-70218 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-70218 exists.

Sources

Also known as GHSA-fw9r-wf7j-mg52.