CVE-2025-55619: Reolink v4.54.0.4.20250526 was discovered to contain a hardcoded encryption key and initialization vector

Critical severity · published Aug 22, 2025

CVE-2025-55619

Reolink v4.54.0.4.20250526 was discovered to contain a hardcoded encryption key and initialization vector

9.8

CVSS

0.4%

EPSS

On KEV

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 vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 36% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Reolink · Reolink

4.54.0.4.20250526 · source: NVD

Affected product

Reolink

All Reolink CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-55619

CVE.org

https://www.cve.org/CVERecord?id=CVE-2025-55619

Product

https://cwe.mitre.org/data/definitions/321.html

Product

https://cwe.mitre.org/data/definitions/329.html

Third Party Advisory

https://developer.android.com/reference/kotlin/androidx/security/crypto/EncryptedSharedPreferences

Not Applicable

https://nvd.nist.gov/vuln/detail/CVE-2020-25173

Exploit

https://www.notion.so/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0

Exploit

https://relieved-knuckle-264.notion.site/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0