A discrepancy in the error message returned by the login function of Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v…

published 2025-08-22 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-25600

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 0; none known

A discrepancy in the error message returned by the login function of Reolink Smart 2K+ Plug-in Wi-Fi Video Doorbell with Chime - firmware v3.0.0.4662_2503122283 when entering the wrong username and password allows attackers to enumerate existing accounts.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 14 mo ago (2025-08-22)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

relieved-knuckle-264.notion.site https://relieved-knuckle-264.notion.site/User-Enumeration-Vulnerability-23c43700364280b6a46ae6302818b77e?source=copy_link referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Classification

Weakness

CWE-284 Improper Access Control

References

relieved-knuckle-264.notion.site /User-Enumeration-Vulnerability-23c43700364280b6a46ae6302818b77e?source=copy_link
exploit, third-party-advisory

Sources

CVE List CVE-2025-55630
NVD CVE-2025-55630

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary