CVE-2026-55985Network attack vector

Credential disclosure via cleartext configuration-page rendering

Published Jul 24, 2026 · Updated Jul 24, 2026

Cleartext credential exposure in Tycon Systems TPDIN-Monitor-WEB2 2.3.9 allows remote authenticated users to read system credentials. The web management interface persists system credentials without confidentiality protection and renders them verbatim on an administrative configuration page. Administrative-dashboard access is required; the disclosed credentials can enable access to other local-network systems, with no direct integrity or availability impact reported for this flaw.

CVSS severity4.3
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext credential exposure in Tycon Systems TPDIN-Monitor-WEB2 2.3.9 allows remote authenticated users to read system credentials. The web management interface persists system credentials without confidentiality protection and renders them verbatim on an administrative configuration page. Administrative-dashboard access is required; the disclosed credentials can enable access to other local-network systems, with no direct integrity or availability impact reported for this flaw.

The record

CVE
CVE-2026-55985
Published
Jul 24, 2026
Updated
Jul 24, 2026
Vendor
Tycon Systems
Product
TPDIN-Monitor-WEB2
Classifications
CWE-312, T1552
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.3.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tycon Systems · TPDIN-Monitor-WEB2version=2.3.9

Published CVSS scores

5.3ICS-CERTCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3ICS-CERTCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-312Cleartext Storage of Sensitive Information
T1552Unsecured Credentials

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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