Search/CVE-2026-42542
● CVE — High

CVE-2026-42542

VendortdengineProducttdengineDiscoveredJun 10, 2026UpdatedJul 23, 2026

TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version 3.4.1.6 fixes the issue.

CVSS v3.1
7.5 HIGH
EPSS
0.56%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
2
sources referencing this CVE
Related IOCs
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 2, 2026
▲ 0.02pp
0.54% → 0.56% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
7 relationships
Timeline
disclosure → media coverage
Jun 10, 2026
Disclosure — published as a CVE record. · last revised by NVD Jul 23, 2026
Sep 25, 2026
securityweek.com reports: In Other News: Clop Leak Site Takeover, Docker Botnet Hunts AI Keys, Water Utility Exposure
Oct 5, 2026
thehackernews.com reports: ⚡ Weekly Recap: NetScaler and FortiMail 0-Days, AI Coding Leaks, Spectre v2 and Ransomware Arrests