Cleartext TransmissionWeakness · CWE-319

CVE-2025-62765

HIGH · 7.5 CVSS v3.1 Published 2025-11-15
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click

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 · unedited
General Industrial Controls Lynx+ Gateway is vulnerable to a cleartext transmission vulnerability that could allow an attacker to observe network traffic to obtain sensitive information, including plaintext credentials.

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 confidence

The General Industrial Controls Lynx+ Gateway transmits sensitive authentication credentials in cleartext over the network, allowing an attacker with visibility into network traffic to intercept and obtain plaintext passwords through passive traffic analysis.

MitigationEnable encrypted communication protocols (TLS/SSL) for all network communications, implement VPN tunnels for remote access, and ensure proper network segmentation to limit exposure of unencrypted traffic.

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify Lynx+ Gateway in your environment
    Review network inventory or scan for devices matching 'Lynx+ Gateway' or 'General Industrial Controls' product signatures
    Affected if A General Industrial Controls Lynx+ Gateway device is present on the network
  2. Capture outbound network traffic from the device
    Use a packet capture tool (such as tcpdump, Wireshark, or a network tap) to capture traffic leaving the Lynx+ Gateway on ports used for authentication (typically HTTP, Modbus, or proprietary industrial protocols)
    Affected if Traffic capture is possible and the device communicates over the network
  3. Analyze captured traffic for plaintext credentials
    Search the captured packets for readable password strings or authentication tokens in the payload sections. Inspect HTTP POST/GET requests, Modbus registers, or any protocol-specific authentication messages
    Affected if Plaintext passwords or authentication credentials appear in the packet payloads
  4. Verify if unencrypted protocols are enabled
    Check the device configuration or documentation for enabled protocols. Look for settings related to protocol security (HTTP vs HTTPS, TLS enablement, encrypted communications settings)
    Affected if Unencrypted protocols (HTTP, non-TLS Modbus, cleartext industrial protocols) are enabled or TLS/SSL encryption is disabled
  5. Confirm network exposure of authentication traffic
    Determine whether authentication traffic traverses network segments visible to unauthorized parties or passes through untrusted network infrastructure without VPN or tunnel protection
    Affected if Authentication traffic is transmitted across unencrypted or untrusted network segments

You are affected if a Lynx+ Gateway is present and authentication credentials are transmitted in cleartext on the network without encryption or VPN protection.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Enable encrypted communication protocols (TLS/SSL) for all network communications, implement VPN tunnels for remote access, and ensure proper network segmentation to limit exposure of unencrypted traffic.

Have this fixed Scoped from the published advisory
  • Consultation6.0 h
  • Implementation10.0 h
  • Testing6.0 h
  • Review / QA4.0 h
26.0 hours of engineering $4,620
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-62765 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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