ESX — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
November 20, 2025
Last Seen
August 31, 2026

Related Threat Clusters

  • Spring Ring: Voice Phishing Campaigns Target Microsoft Teams Users

    Between January and April 2026, a coordinated voice phishing campaign named 'Spring Ring' targeted over 150 employees across 10 companies, using Microsoft Teams to impersonate IT help desk personnel. Attackers employed…

    3 articles · Updated August 31, 2026
  • SonicWall SonicOS Vulnerability Allows Remote DoS Attacks

    SonicWall has issued a security advisory regarding a critical vulnerability in its SonicOS operating system, identified as CVE-2025-40601. This high-severity flaw affects Gen7 and Gen8 hardware and virtual appliances,…

    9 articles · Updated November 20, 2025
  • SonicWall SonicOS Flaw Allows Remote Firewall Crashes

    SonicWall has disclosed a critical vulnerability in its SonicOS SSLVPN service, tracked as CVE-2025-40601, which allows remote, unauthenticated attackers to crash Gen7 and Gen8 firewalls. The flaw, caused by a…

    11 articles · Updated November 24, 2025

Recent Intelligence Reports

  • Idira Secure Infrastructure Access (SIA) — docs.cyberark.com · August 31, 2026
  • Critical SonicOS Flaw Enables Hackers To Crash SonicWall Firewall Systems — Linkedin · November 20, 2025

CVSS v3.1 Breakdown