What is CVE-2025-3646?

CVE-2025-3646 is a high-severity vulnerability in Petlibrio Smart Pet Feeder Platform, classified under Missing Authentication for Critical Function. CVSS score: 7.3/10. Published 2026-01-04.

How severe is CVE-2025-3646?

High severity. CVSS v3 base score is 7.3 out of 10.

Auth bypass in Petlibrio Smart Pet Feeder Platform

CVE-2025-3646

Petlibro Smart Pet Feeder Platform versions up to 1.7.31 contains an authorization bypass vulnerability that allows unauthorized users to add users as shared owners to any device by exploiting missing permission checks. Attackers can send requests to the device share API to gain unauthorized access to devices and view owner information without proper authorization validation.

Vulnerability class: Broken Authentication

Published 2026-01-04 · last modified 2026-07-20.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (11.6th percentile), scored 2026-09-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Petlibrio Smart Pet Feeder Platform — versions 0
Petlibro

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

bobdahacker.com/blog/petlibro (Product, technical-description, third-party-advisory)
www.vulncheck.com/advisories/petlibro-smart-pet-feeder-platform-through-authori… (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-3646?: CVE-2025-3646 is a high-severity vulnerability in Petlibrio Smart Pet Feeder Platform, classified under Missing Authentication for Critical Function. CVSS score: 7.3/10. Published 2026-01-04.
How severe is CVE-2025-3646?: High severity. CVSS v3 base score is 7.3 out of 10.