CVE-2025-53703
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 · uneditedDuraComm SPM-500 DP-10iN-100-MU transmits sensitive data without encryption over a channel that could be intercepted by attackers.
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 DuraComm SPM-500 DP-10iN-100-MU device transmits sensitive data in plaintext over an unencrypted channel, allowing attackers on the same network path to intercept and read confidential information such as credentials, configuration data, or operational telemetry.
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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 device modelCheck the device label, web interface, or SNMP sysDescr to confirm the model is DuraComm SPM-500 DP-10iN-100-MUAffected if Device model matches SPM-500 DP-10iN-100-MU
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Capture network trafficUse a packet capture tool (such as tcpdump, Wireshark, or a network tap) on the same network segment to intercept traffic to/from the device. Inspect the captured packets for plaintext sensitive data such as credentials, configuration parameters, or telemetryAffected if Sensitive data such as usernames, passwords, or configuration values appear in plaintext within captured packets
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Check for unencrypted protocolsExamine the device's available services and protocols via port scan (e.g., nmap) or review enabled services in the device configuration. Look for unencrypted protocols such as HTTP (port 80), Telnet (port 23), or FTP (port 21)Affected if HTTP, Telnet, FTP, or other unencrypted protocols are enabled and in use for device communication
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Verify encryption configurationAccess the device web interface or CLI configuration menu. Look for security or communication settings that indicate whether encryption (TLS/SSL) is enabled for administrative access or data transmissionAffected if Encryption is disabled or not configured for device communications
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Inspect credential transmissionAttempt to authenticate to the device via its web interface or CLI while capturing traffic. Examine whether login credentials are sent in plaintext (e.g., Basic authentication over HTTP, or credentials in URL parameters)Affected if Credentials are transmitted without encryption
The user is affected if they use a DuraComm SPM-500 DP-10iN-100-MU device and sensitive data is transmitted in plaintext on the network, which can be confirmed by observing unencrypted traffic containing credentials or configuration data.
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 TLS or equivalent encryption for all data transmissions, or migrate to a secure communication protocol; verify the fix does not introduce new attack surfaces.
- Consultation6.0 h
- Implementation32.0 h
- Testing12.0 h
- Review / QA6.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $15,744.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-53703 — 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-2025-53703 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data