CVE-2025-55637: Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 was discovered to

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-55637 is a critical-severity flaw (CVSS 9.8) 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.

Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 was discovered to contain a command injection vulnerability via the setddns_pip_system() function.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-77
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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · fips-provider-next · FIXED · 1.5.3-3.eln159 · FEDORA-2026-3ce99ec7df · source

sudo dnf upgrade --advisory=FEDORA-2026-3ce99ec7df

Fedora 46 · rubygem-webmock · FIXED · 3.26.1-3.fc46 · FEDORA-2026-bb57b4d095 · source

sudo dnf upgrade --advisory=FEDORA-2026-bb57b4d095

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-2025-55637?

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-2025-55637 being exploited?

CVE-2025-55637 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-2025-55637 affect?

CVE-2025-55637 affects smart 2k\+ plug-in wi-fi video doorbell with chime firmware. Severity is critical (CVSS 9.8). Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 was discovered to contain a command injection vulnerability via the setddns_pip_system() function.

How urgent is CVE-2025-55637?

Priority 67/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

Related CVEs

CVE-2025-55634 HIGH 7.5 MITIGATE Incorrect access control in the RTMP server settings of Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Ch
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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