CVE-2025-55634: Incorrect access control in the RTMP server settings of Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Ch

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HIGH 7.5REMOTEMITIGATE

CVE-2025-55634 is a high-severity flaw (CVSS 7.5) affecting smart 2k\+ plug-in wi-fi video doorbell with chime firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-400
Published	2025-08-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: reolink

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-22 17:15 UTCPublished CVE record published
2026-06-17 09:41 UTCUpdated Record last modified

reolink smart 2k\+ plug-in wi-fi video doorbell with chime firmware MITIGATE

Affected: 3.0.0.4662_2503122283

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0.4662_2503122283

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-55634?

smart 2k\+ plug-in wi-fi video doorbell with chime firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-55634 being exploited?

CVE-2025-55634 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-55634 affect?

CVE-2025-55634 affects smart 2k\+ plug-in wi-fi video doorbell with chime firmware. Severity is high (CVSS 7.5). 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 numb

How urgent is CVE-2025-55634?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities · FFmpeg vulnerabilities

Related CVEs

CVE-2025-55637 CRITICAL 9.8 MITIGATE Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 was discovered to
CVE-2025-55630 HIGH 7.3 MITIGATE A discrepancy in the error message returned by the login function of Reolink Smart 2K+ Plug-in Wi-Fi Video Doo

References

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