CVE-2025-55619
CVE-2025-55619 is a critical-severity vulnerability in Reolink with a CVSS 3.x base score of 9.8. 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-321.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 0% (30th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-25610
- Weakness: CWE-321
- Affected product: Reolink
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-55619?
- 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.
- How severe is CVE-2025-55619?
- CVE-2025-55619 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-55619 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-55619?
- CVE-2025-55619 affects Reolink. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-55619?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-55619 have an EU (EUVD) identifier?
- Yes. CVE-2025-55619 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25610.
- When was CVE-2025-55619 published?
- CVE-2025-55619 was published on 2025-08-22 and last updated on 2026-06-17.
References
- https://cwe.mitre.org/data/definitions/321.html
- https://cwe.mitre.org/data/definitions/329.html
- https://developer.android.com/reference/kotlin/androidx/security/crypto/EncryptedSharedPreferences
- https://nvd.nist.gov/vuln/detail/CVE-2020-25173
- https://www.notion.so/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0
- https://relieved-knuckle-264.notion.site/Reolink-Android-App-Uses-Hardcoded-AES-Key-and-IV-for-Sensitive-Data-Decryption-21a43700364280dc95bedcf6ac1a5db0
Affected products (1)
- cpe:2.3:a:reolink:reolink:4.54.0.4.20250526:*:*:*:*:android:*:*
More vulnerabilities in Reolink
- 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-2025-55621 — Medium (CVSS 6.5): An Insecure Direct Object Reference (IDOR) vulnerability in Reolink v4.54.0.4.20250526 allows unauthorized attackers to…
- 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…
Other CWE-321 vulnerabilities
- CVE-2024-30207 — Critical (CVSS 10.0): A vulnerability has been identified in SIMATIC RTLS Locating Manager (6GT2780-0DA00) (All versions < V3.0.1.1), SIMATIC…
- CVE-2014-5419 — Critical (CVSS 10.0): GE Multilink ML800, ML1200, ML1600, and ML2400 switches with firmware 4.2.1 and earlier and Multilink ML810, ML3000,…
- CVE-2024-35344 — Critical (CVSS 9.9): Certain Anpviz products contain a hardcoded cryptographic key stored in the firmware of the device. This affects…
- CVE-2026-28742 — Critical (CVSS 9.8): Naxclow devices use a uniform request-signing scheme based on a hard-coded, platform-wide salt embedded in every…
- CVE-2026-32644 — Critical (CVSS 9.8): Specific firmware versions of Milesight AIOT cameras use SSL certificates with default private keys.
- CVE-2025-67112 — Critical (CVSS 9.8): Use of a hard-coded AES-256-CBC key in the configuration backup/restore implementation of Small Cell Sercomm SCE4255W…