Sslvpn — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
November 20, 2025
Last Seen
November 26, 2025

Related Threat Clusters

  • 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 Investigates State-Backed Breach of Cloud Backup Service

    SonicWall reported a security incident involving unauthorized access to backup firewall configuration files stored in a cloud environment. The company attributed the breach to a state-backed threat actor and engaged…

    8 articles · Updated November 21, 2025
  • SonicWall Investigates State-Backed Breach of Cloud Backup Service

    SonicWall reported unauthorized access to backup firewall configuration files in September 2025, attributed to a state-backed threat actor. The company engaged Mandiant for an investigation and communicated with…

    11 articles · Updated November 26, 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

  • Cyberattacks on legacy firewalls continue. What security teams can do — Scworld · November 26, 2025
  • SonicWall Discloses Critical Buffer Overflow in SonicOS SSLVPN (CVE-2025-40601) — Webpronews · November 22, 2025
  • Critical SonicOS Flaw Enables Hackers To Crash SonicWall Firewall Systems — Linkedin · November 20, 2025

CVSS v3.1 Breakdown