What is the CVSS score of CVE-2025-55621?

CVE-2025-55621 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Reolink are affected by CVE-2025-55621?

Organizations using Reolink should be aware of notable risk from CVE-2025-55621, a IDOR vulnerability rated CVSS 6.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-55621?

Yes, a public proof-of-concept exploit is available for CVE-2025-55621. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-55621?

Within 7 days: Identify affected systems running Reolink and apply vendor patches promptly. Monitor vendor channels for patch availability.

Reolink CVE-2025-55621

MEDIUM

Authorization Bypass Through User-Controlled Key (CWE-639)

2025-08-22 cve@mitre.org

Authentication Bypass Reolink

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Oct 02, 2025 - 01:58 vuln.today

Public exploit code

CVE Published

Aug 22, 2025 - 17:15 nvd

MEDIUM 6.5

DescriptionCVE.org

An Insecure Direct Object Reference (IDOR) vulnerability in Reolink v4.54.0.4.20250526 allows unauthorized attackers to access and download other users' profile photos via a crafted URL. NOTE: this is disputed by the Supplier because it is intentional behavior; the photos are part of a social platform on which users expect to find one another.

AnalysisAI

An Insecure Direct Object Reference (IDOR) vulnerability in Reolink v4.54.0.4.20250526 allows unauthorized attackers to access and download other users' profile photos via a crafted URL. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-639. An Insecure Direct Object Reference (IDOR) vulnerability in Reolink v4.54.0.4.20250526 allows unauthorized attackers to access and download other users' profile photos via a crafted URL. NOTE: this is disputed by the Supplier because it is intentional behavior; the photos are part of a social platform on which users expect to find one another. Affected products include: Reolink.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.