CVE-2025-55602 Memory corruption in n/a

Critical 9.8 Published Updated

A buffer overflow in the D-Link DIR-619L router allows attackers to execute arbitrary code or cause a denial of service via the submit-url parameter.

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-2025-55602?

CVE-2025-55602 is a critical memory corruption vulnerability in Dlink Dir-619l Firmware, published on 22 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR-619L 2.06B01 is vulnerable to Buffer Overflow in the formSysCmd function via the submit-url parameter.

Weakness: CWE-787, CWE-120

Which versions are affected by CVE-2025-55602?

It affects 1 product.

Products include Dlink Dir-619l Firmware.

How do I fix CVE-2025-55602?

No fix has been published for CVE-2025-55602 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-2025-55602 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55602 exists.

All Dlink Dir-619l Firmware vulnerabilities

Sources

Also known as GHSA-56xp-r3v2-69wc.

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