How severe is CVE-2025-55634?

CVE-2025-55634 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-55634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55634?

CVE-2025-55634 affects Reolink Smart 2k+ Plug-in Wi-fi Video Doorbell With Chime Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55634?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-55634 have an EU (EUVD) identifier?

Yes. CVE-2025-55634 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25597.

When was CVE-2025-55634 published?

CVE-2025-55634 was published on 2025-08-22 and last updated on 2026-06-17.

CVE-2025-55634

CVE-2025-55634 is a high-severity vulnerability in Reolink Smart 2k+ Plug-in Wi-fi Video Doorbell With Chime Firmware with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25597
Weakness: CWE-400
Affected product: Reolink Smart 2k+ Plug-in Wi-fi Video Doorbell With Chime Firmware
Published: 2025-08-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-55634?: 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.
How severe is CVE-2025-55634?: CVE-2025-55634 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-55634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55634?: CVE-2025-55634 affects Reolink Smart 2k+ Plug-in Wi-fi Video Doorbell With Chime Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-55634 have an EU (EUVD) identifier?: Yes. CVE-2025-55634 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25597.
When was CVE-2025-55634 published?: CVE-2025-55634 was published on 2025-08-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:reolink:smart_2k\+_plug-in_wi-fi_video_doorbell_with_chime_firmware:3.0.0.4662_2503122283:*:*:*:*:*:*:*

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