High severity · published Aug 22, 2025
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…
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
S2
Smart 2k+ Plug-in Wi-fi Video Doorbell With Chime Firmware · Reolink
3.0.0.4662_2503122283 · source: NVD
Affected product
S2
Smart 2k+ Plug-in Wi-fi Video Doorbell With Chime Firmware
Reolink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55634
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55634
Technical Description
https://cwe.mitre.org/data/definitions/306.html
Technical Description
https://cwe.mitre.org/data/definitions/400.html
Exploit
https://relieved-knuckle-264.notion.site/RTMP-Injection-DoS-through-Unauthenticated-Stream-Publish-23c437003642800297c8c128b6117885?pvs=74
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