CVE-2026-55985
View CSAF Summary Successful exploitation of these vulnerabilities could result in an attacker accessing sensitive credentials, disrupting connected infrastructure, or manipulating physical equipment, which could present a physical safety risk. The following versions of Tycon Systems TPDIN-Monitor-WEB2 are affected: TPDIN-Monitor-WEB2 2.3.9 CVSS Vendor Equipment Vulnerabilities v3 9.8 Tycon Systems Tycon Systems TPDIN-Monitor-WEB2 Authentication Bypass Using an Alternate Path or Channel, Cleartext Storage of Sensitive Information Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-61884 The web management interface of the affected device does not perform server-side validation of credentials during the login process. By submitting empty values for both credential fields, an unauthenticated remote attacker can bypass the authentication check and establish a valid administrative session. This grants full access to device controls including power relay management, device reboot, remote access service configuration, and network settings, which could allow an attacker to disrupt connected infrastructure or cause physical damage to equipment. View CVE Details Affected Products Tycon Systems TPDIN-Monitor-WEB2 Vendor: Tycon Systems Product Version: Tycon Systems TPDIN-Monitor-WEB2: 2.3.9 Product Status: known_affected Remediations Vendor fix Tycon Systems did not respond to CISA's attempts at coordination. Users of Tycon Systems TPDIN-Monitor-WEB2 are encouraged to contact Tycon Systems and keep their systems up to date. https://www.tyconsystems.com/contact Relevant CWE: CWE-288 Authentication Bypass Using an Alternate Path or Channel Metrics CVSS Version Base Score Base Severity Vector String 3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 4.0 9.3 CRITICAL CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-202
CSIRTS triage
- What
- The web management interface does not validate credentials properly.
- Who is affected
- Deployments of TPDIN-Monitor-WEB2 version 2.3.9.
- Urgency
- Remediation is urgent due to critical vulnerabilities that could lead to unauthorized access.
- Action
- Update to the latest version of TPDIN-Monitor-WEB2.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
Advisory coverage (2)
- mediumCVE-2026-55985: The web management interface in Tycon Systems TPDIN-Monitor-WEB2 stores and displays system cr…nvd · 2026-07-24
- criticalTycon Systems TPDIN-Monitor-WEB2cisa · 2026-07-21
External references
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