How severe is CVE-2025-55621?

CVE-2025-55621 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-55621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55621?

CVE-2025-55621 affects Reolink. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55621?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55621 have an EU (EUVD) identifier?

Yes. CVE-2025-55621 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25608.

When was CVE-2025-55621 published?

CVE-2025-55621 was published on 2025-08-22 and last updated on 2026-06-17.

CVE-2025-55621

CVE-2025-55621 is a medium-severity vulnerability in Reolink with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25608
Weakness: CWE-639
Affected product: Reolink
Published: 2025-08-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-55621?: 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.
How severe is CVE-2025-55621?: CVE-2025-55621 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-55621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55621?: CVE-2025-55621 affects Reolink. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55621?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55621 have an EU (EUVD) identifier?: Yes. CVE-2025-55621 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25608.
When was CVE-2025-55621 published?: CVE-2025-55621 was published on 2025-08-22 and last updated on 2026-06-17.

References

https://relieved-knuckle-264.notion.site/Reolink-Download-a-profile-due-to-IDOR-21a43700364280ef9fc1ffb9c484a03e?source=copy_link

Affected products (1)

cpe:2.3:a:reolink:reolink:4.54.0.4.20250526:*:*:*:*:android:*:*

More vulnerabilities in Reolink

CVE-2025-55619 — Critical (CVSS 9.8): Reolink v4.54.0.4.20250526 was discovered to contain a hardcoded encryption key and initialization vector. An attacker…
CVE-2025-56799 — Medium (CVSS 6.5): Reolink desktop application 8.18.12 contains a command injection vulnerability in its scheduled cache-clearing…
CVE-2025-55622 — Medium (CVSS 6.5): Reolink v4.54.0.4.20250526 was discovered to contain a task hijacking vulnerability due to inappropriate taskAffinity…
CVE-2025-55625 — Medium (CVSS 6.3): An open redirect vulnerability in Reolink v4.54.0.4.20250526 allows attackers to redirect users to a malicious site via…
CVE-2025-55620 — Medium (CVSS 6.1): A cross-site scripting (XSS) vulnerability in the valuateJavascript() function of Reolink v4.54.0.4.20250526 allows…
CVE-2025-55623 — Medium (CVSS 5.4): An issue in the lock screen component of Reolink v4.54.0.4.20250526 allows attackers to bypass authentication via using…

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