How severe is CVE-2025-55631?

CVE-2025-55631 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-55631 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55631?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55631 have an EU (EUVD) identifier?

Yes. CVE-2025-55631 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25599.

When was CVE-2025-55631 published?

CVE-2025-55631 was published on 2025-08-22 and last updated on 2026-06-17.

CVE-2025-55631

CVE-2025-55631 is a medium-severity vulnerability with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25599
Weakness: CWE-400
Published: 2025-08-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-55631?: 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.
How severe is CVE-2025-55631?: CVE-2025-55631 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-55631 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-55631?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55631 have an EU (EUVD) identifier?: Yes. CVE-2025-55631 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25599.
When was CVE-2025-55631 published?: CVE-2025-55631 was published on 2025-08-22 and last updated on 2026-06-17.

References

https://relieved-knuckle-264.notion.site/Token-max-Dos-23c437003642804db673cbd5449fcc67?source=copy_link

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…

Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →