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CVE Record

CVE-2018-9031: The login interface on TNLSoftSolutions Sentry Vision 3.x devices provides password disclosure by reading a...

The login interface on TNLSoftSolutions Sentry Vision 3.x devices provides password disclosure by reading an "if(pwd ==" line in the HTML source code. This means, in effect, that authentication occurs only on the client side.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

TNLSoftSolutions Sentry Vision 3.x login pages can expose the password in the page source because authentication is handled on the client side. If the management interface is reachable by an untrusted user, access control may be effectively defeated. Public records do not identify a vendor patch or active exploitation.

Executive priority

Prioritize remediation for any exposed Sentry Vision 3.x interface because the issue undermines authentication. Business urgency is highest for internet-facing or safety-monitoring deployments. If devices are isolated on trusted management networks, risk is reduced but still warrants lifecycle review.

Technical view

The CVE describes password disclosure in the login interface by reading an HTML source line containing a password comparison. The underlying issue is client-side-only authentication, so trust is placed in browser-delivered code rather than server-side verification. CVE metadata does not provide CVSS, CWE, CPEs, or fixed versions.

Likely exposure

Exposure is most likely where TNLSoftSolutions Sentry Vision 3.x device login interfaces are reachable from the internet, shared networks, or by low-trust users. The source bundle has incomplete affected-product metadata, so asset inventory must confirm actual model and version.

Exploitation context

The CVE is not listed as KEV, and the provided sources do not state active exploitation. The public references include a gist and video, indicating the issue was publicly demonstrated, but this analysis does not rely on or repeat exploit procedure details.

Researcher notes

Evidence is sparse: CVE text names the vulnerable behavior, but severity, CWE, CPE, patch, and affected-version metadata are missing. Treat public proof references as disclosure evidence, not confirmation of current exploitation. Validate exposure defensively without reproducing offensive steps.

Mitigation direction

  • Check vendor guidance for fixed firmware or official remediation.
  • Restrict device login interfaces to trusted management networks only.
  • Remove direct internet exposure for affected device interfaces.
  • Rotate device credentials after remediation or replacement.
  • Replace devices if no maintained fix is available.

Validation and detection

  • Inventory Sentry Vision 3.x devices and confirm exposed management interfaces.
  • Review device firmware/version against vendor or CVE guidance.
  • Confirm login validation is not dependent on browser-visible client code.
  • Check perimeter and internal scans for reachable device web interfaces.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2018-9031 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.