CVE-2025-4451 D-Link DIR-619L formSetWAN_Wizard52 buffer overflow
Remote attackers can exploit a buffer overflow in the WAN wizard to execute arbitrary code on unsupported D-Link DIR-619L routers.
- 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-2025-4451?
CVE-2025-4451 is a high-severity memory corruption vulnerability in Dlink Dir-619l Firmware, published on 9 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in D-Link DIR-619L 2.04B04 and classified as critical. Affected by this vulnerability is the function formSetWAN_Wizard52. The manipulation of the argument curTime leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2025-4451?
It affects 1 product.
Products include Dlink Dir-619l Firmware.
How do I fix CVE-2025-4451?
No fix has been published for CVE-2025-4451 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-2025-4451 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4451 exists.
Other vulnerabilities in Dlink Dir-619l Firmware
Sources
Also known as GHSA-qxp8-q6wp-7mq2.