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9.8
CRITICAL CVSS 3.1
CVE-2025-55619
Reolink Hardcoded Encryption Key and Initialization Vector Vulnerability
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.

INFO

Published Date :

Aug. 22, 2025, 5:15 p.m.

Last Modified :

Aug. 28, 2025, 1:34 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-55619 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Reolink reolink
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update the application and implement secure cryptographic practices to protect sensitive data.
  • Update the application to the latest version.
  • Review and update cryptographic implementations.
  • Remove hardcoded sensitive information from the application.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-55619.

URL Resource
https://cwe.mitre.org/data/definitions/321.html Product
https://cwe.mitre.org/data/definitions/329.html Product
https://developer.android.com/reference/kotlin/androidx/security/crypto/EncryptedSharedPreferences Third Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2020-25173 Not Applicable
https://www.notion.so/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0 Exploit Third Party Advisory
https://relieved-knuckle-264.notion.site/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-55619 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-55619 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-55619 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-55619 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 28, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:reolink:reolink:4.54.0.4.20250526:*:*:*:*:android:*:*
    Added Reference Type MITRE: https://cwe.mitre.org/data/definitions/321.html Types: Product
    Added Reference Type MITRE: https://cwe.mitre.org/data/definitions/329.html Types: Product
    Added Reference Type MITRE: https://developer.android.com/reference/kotlin/androidx/security/crypto/EncryptedSharedPreferences Types: Third Party Advisory
    Added Reference Type MITRE: https://nvd.nist.gov/vuln/detail/CVE-2020-25173 Types: Not Applicable
    Added Reference Type CISA-ADP: https://relieved-knuckle-264.notion.site/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0 Types: Exploit, Third Party Advisory
    Added Reference Type MITRE: https://www.notion.so/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0 Types: Exploit, Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 26, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-321
    Added Reference https://relieved-knuckle-264.notion.site/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0
  • New CVE Received by [email protected]

    Aug. 22, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://cwe.mitre.org/data/definitions/321.html
    Added Reference https://cwe.mitre.org/data/definitions/329.html
    Added Reference https://developer.android.com/reference/kotlin/androidx/security/crypto/EncryptedSharedPreferences
    Added Reference https://nvd.nist.gov/vuln/detail/CVE-2020-25173
    Added Reference https://www.notion.so/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact