CVE-2025-55619

Reolink hard-coded credentials

9.8 CRITICALPublic exploitEPSS 0.40%

Published22 Aug 2025

Description

Reolink v4.54.0.4.20250526 was discovered to contain a hardcoded encryption key and initialization vector. An attacker can leverage this vulnerability to decrypt access tokens and web session tokens stored inside the app via reverse engineering.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Reolink4.54.0.4.20250526

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://cwe.mitre.org/data/definitions/321.htmlProduct
https://cwe.mitre.org/data/definitions/329.htmlProduct
https://developer.android.com/reference/kotlin/androidx/security/crypto/EncryptedSharedPreferencesThird Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2020-25173Not Applicable
https://relieved-knuckle-264.notion.site/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0ExploitThird Party Advisory
https://www.notion.so/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0ExploitThird Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-55619 being actively exploited?

CVE-2025-55619 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.40%.

How severe is CVE-2025-55619?

CVE-2025-55619 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.40% probability of exploitation.

Which products are affected by CVE-2025-55619?

Affected products include Reolink.

How do I fix CVE-2025-55619?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-55619 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.