CVE-2025-55631 Denial of service in n/a

Medium 4.0 Published Updated

Attackers can cause denial of service via resource exhaustion due to system-wide session management, though the vendor claims this is intentional.

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-2025-55631?

CVE-2025-55631 is a medium-severity denial of service vulnerability in n/a, published on 22 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 was discovered to manage users' sessions system wide instead of an account-by-account basis, potentially leading to a Denial of Service (DoS) via resource exhaustion. NOTE: the Supplier reports that the system-wide limit is intentional.

Weakness: CWE-400

Which versions are affected by CVE-2025-55631?

How do I fix CVE-2025-55631?

No fix has been published for CVE-2025-55631 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-55631 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55631 exists.

Sources

Also known as GHSA-43mw-858p-8pf4.

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