CVE-2026-42542

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 25, 2026

Last Seen

September 28, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

TDengine Denial-of-Service Flaw, Fixed in April, Rated High60.6

CVE-2026-42542 is a high-severity vulnerability (CVSS 7.5) in TDengine, a time-series database used in industrial and IoT environments. It allows an unauthenticated attacker to crash the taosd server process with a single crafted RPC packet. The flaw affects TDengine versions 3.4.0.0 through 3.4.1.5...