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CVE-2021-26829

exploited in the wild☆ pin

CVSS

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Reports

1

First seen

Nov 1, 2025

Last seen

Nov 1, 2025

Affected product

water-treatment HMI

Associated actors

Clop ×1 Crimson Collective ×1 Everest ×1 Flax Typhoon ×1 Lazarus Group ×1 LockBit ×1 Salt Typhoon ×1 ShinyHunters ×1 Star Blizzard ×1 Stormous ×1 TwoNet ×1 UNC5174 ×1 UTA0388 ×1 Vanilla Tempest ×1

Recent reports

Cyber Brief October 2025 – Espionage, Disruption, Data Breaches, and Supply Chain Threats

CERT-EU Threat IntelNov 1, 2025

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