CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

Tycon Systems TPDIN-Monitor-WEB2

criticalCVE-2026-61884CVE-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.

⚡ Watch TPDIN-Monitor-WEB2

Get an email when a new TPDIN-Monitor-WEB2 advisory drops — max one per day, one-click unsubscribe.

Details

Source
CISA Cybersecurity Advisories (US · national-cert · site)
Severity
critical
Published
2026-07-21
Exploitation
Not in CISA KEV at last sync

Original advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-26-202-01

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-61884coverage & exploitation statusNVD · CVE.org
CVE-2026-55985coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Tycon Systems TPDIN-Monitor-WEB2

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Cybersecurity Advisories