CVE-2025-8393
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 · uneditedA TLS vulnerability exists in the phone application used to manage a connected device. The phone application accepts self-signed certificates when establishing TLS communication which may result in man-in-the-middle attacks on untrusted networks. Captured communications may include user credentials and sensitive session tokens.
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 · moderate confidenceThe phone application used to manage a connected device fails to properly validate TLS certificates, accepting self-signed certificates during TLS handshakes. This allows an attacker on the same network to perform a man-in-the-middle attack, intercepting and decrypting encrypted communications that may contain user credentials and session tokens.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
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 the phone application managing the connected deviceLocate the mobile application on your device used to manage the connected device. Note its name and installed version from your device settings or app store listing.Affected if The application in use matches the affected product and version range for this CVE.
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Verify TLS certificate validation behaviorOn a controlled test network, configure a proxy with a self-signed certificate and attempt to intercept HTTPS traffic from the phone application. Observe whether the application completes the TLS handshake without rejecting the untrusted certificate.Affected if The application accepts the self-signed certificate and establishes a connection, indicating improper certificate validation.
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Inspect network security configurationFor Android devices, check if the app has a network_security_config.xml allowing cleartext traffic or disabling certificate validation. For iOS, check Info.plist for NSAllowsArbitraryLoads or similar settings that disable TLS validation.Affected if The application is configured to bypass or disable proper TLS certificate validation.
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Confirm vulnerability through traffic inspectionUse a man-in-the-middle setup with a self-signed certificate on the same network. If the application transmits credentials or session tokens that are readable by the proxy, certificate validation is not properly enforced.Affected if Encrypted traffic is readable by an untrusted intercepting certificate, exposing sensitive data.
Your environment is affected if the phone application accepts self-signed certificates during TLS handshakes, allowing an attacker on the same network to intercept credentials and session tokens.
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 dataImplement proper TLS certificate chain validation and consider certificate pinning to reject self-signed or untrusted certificates. Users should avoid connecting to the application over untrusted networks until the fix is deployed.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-8393 — 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-2025-8393 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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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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