What is the CVSS score of CVE-2025-55634?

CVE-2025-55634 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Reolink are affected by CVE-2025-55634?

Organizations using Wi-Fi Video Doorbell with Chime - firmware face notable risk from CVE-2025-55634, a resource exhaustion vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-55634?

Yes, a public proof-of-concept exploit is available for CVE-2025-55634. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-55634?

Within 30 days: Identify all affected systems running Wi-Fi Video Doorbell with Chime - firmware and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Reolink CVE-2025-55634

HIGH

Uncontrolled Resource Consumption (CWE-400)

2025-08-22 cve@mitre.org

Denial Of Service Reolink Smart 2K Plug In Wi Fi Video Doorbell With Chime Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Oct 21, 2025 - 13:57 vuln.today

Public exploit code

CVE Published

Aug 22, 2025 - 17:15 nvd

HIGH 7.5

DescriptionCVE.org

Incorrect access control in the RTMP server settings of Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 allows unauthorized attackers to cause a Denial of Service (DoS) via initiating a large number of simultaneous ffmpeg-based stream pushes.

AnalysisAI

Incorrect access control in the RTMP server settings of Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 allows unauthorized attackers to cause a Denial of. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. Incorrect access control in the RTMP server settings of Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 allows unauthorized attackers to cause a Denial of Service (DoS) via initiating a large number of simultaneous ffmpeg-based stream pushes. Affected products include: Reolink Smart 2K\+ Plug-In Wi-Fi Video Doorbell With Chime Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.