CVE-2025-63224
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe Itel DAB Encoder (IDEnc build 25aec8d) is vulnerable to Authentication Bypass due to improper JWT validation across devices. Attackers can reuse a valid JWT token obtained from one device to authenticate and gain administrative access to any other device running the same firmware, even if the passwords and networks are different. This allows full compromise of affected devices.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThe Itel DAB Encoder (IDEnc build 25aec8d) contains an authentication bypass vulnerability caused by improper JWT token validation across devices. The system validates JWT tokens without properly binding them to the specific device or instance, allowing a valid token obtained from one device to be reused to authenticate and gain administrative access to any other device running the identical firmware version.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Itel DAB Encoder installationLocate the Itel IDEnc application or device on your network. Check for services running on typical ports or search filesystem for binary named 'IDEnc' or similar. Review network scans for device fingerprint matching Itel DAB Encoder signatures.Affected if The Itel DAB Encoder (IDEnc) software or device is found in your environment.
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Confirm firmware versionAccess the device administrative interface or check the application binary/version information. Query the device status page, system info, or firmware file metadata for the build identifier.Affected if The firmware version matches the IDEnc build 25aec8d or any version of Itel Idenc Firmware.
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Verify JWT authentication is enabledInspect the application configuration or authentication settings. Check if the web API or administrative interface uses JWT tokens for session management. Look for JWT-related configuration files or token-based auth middleware.Affected if JWT token-based authentication is the active authentication mechanism for the IDEnc administrative interface.
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Test token device-binding validationObtain a valid JWT token from one IDEnc device. Examine the token payload (using base64 decode) to see if it contains device-specific identifiers (device ID, serial number, MAC address). Attempt to use this token on a different IDEnc device and observe if authentication succeeds.Affected if The JWT token does NOT contain device-specific binding data, or the token is accepted on a different device than the one it was issued for.
Your environment is affected if you have any Itel DAB Encoder (IDEnc) device running with JWT authentication, since all firmware versions lack proper device-specific token validation.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataDeploy network segmentation to isolate DAB encoder devices from untrusted networks, implement additional authentication controls such as IP allowlisting or VPN access, and monitor for unauthorized administrative access attempts. Contact Itel for firmware patch to fix the JWT validation logic.
- Consultation6.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-63224 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-63224 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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