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CISA Warns Critical Lantronix EDS5000 Flaw Is Being Actively Exploited

Thehackernews • June 24, 2026

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

CISA Alerts on Active Exploitation of PTC Windchill and Lantronix EDS5000 Flaws The Cybersecurity and Infrastructure Security Agency (CISA) has added the PTC Windchill RCE vulnerability (CVE-2026-1234) to its Known Exploited Vulnerabilities (KEV) list due to ongoing web shell attacks. This flaw affects multiple versions of PTC Windchill and allows remote code execution, posing a significant risk to organizations using the software. Concurrently, CISA issued a warning regarding the critical Lantronix EDS5000 flaw (CVE-2026-5678), which is also being actively exploited. The EDS5000 vulnerability impacts networked devices and could lead to unauthorized access and control. Both vulnerabilities are part of a broader trend of increasing exploitation of critical infrastructure vulnerabilities. Organizations are urged to apply patches and enhance their security measures to mitigate these risks. 2 sources 70

CISA Warns Critical Lantronix EDS5000 Flaw Is Being Actively Exploited

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