CVE-2025-54401 Memory corruption in WGR-500
A stack-based buffer overflow in the Planet WGR-500 router allows remote attackers to execute arbitrary code or cause denial of service via crafted HTTP requests.
- 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-2025-54401?
CVE-2025-54401 is a high-severity memory corruption vulnerability in Planet WGR-500, published on 7 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple stack-based buffer overflow vulnerabilities exist in the formPingCmd functionality of Planet WGR-500 v1.3411b190912. A specially crafted series of HTTP requests can lead to stack-based buffer overflow. An attacker can send a series of HTTP requests to trigger these vulnerabilities.This buffer overflow is related to the `submit-url` request parameter.
Weakness: CWE-121
Which versions are affected by CVE-2025-54401?
It affects 1 product.
Products include Planet Wgr-500 Firmware.
How do I fix CVE-2025-54401?
No fix has been published for CVE-2025-54401 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-2025-54401 being exploited?
There is no known exploitation of CVE-2025-54401 in the wild and no public exploit code.
Other vulnerabilities in Planet WGR-500
Sources
Also known as GHSA-8pjm-v4r5-74wq.