SonicOS Sslvpn - Vulnerability

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
November 21, 2025
Last Seen
November 23, 2025

SonicOS Sslvpn is a vulnerability tracked across 2 threat clusters and 5 intelligence report mentions on ThreatCluster. First observed November 21, 2025; most recent activity November 23, 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 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

  • SonicWall flags SSLVPN flaw allowing firewall crashes — Securityaffairs · November 23, 2025
  • SonicWall flags SSLVPN flaw allowing firewall crashes — Securityaffairs.Co · November 23, 2025
  • CVE-2025-40601: SonicOS SSLVPN Buffer Overflow Leads to Firewall Crash Risk, Patch Available — Socradar · November 21, 2025
  • Security vulnerabilities: Attackers can disable SonicWall SonicOS SSLVPN — Heise.De · November 21, 2025
  • SonicOS SSLVPN Vulnerability Let Attackers Crash the Firewall Remotely — Cybersecuritynews · November 21, 2025

Related Entities

DDoS Denial of Service Zero-day Exploit Sonicwall CVE-2025-40601 CVE-2025-40604 CVE-2025-40605 Email Security Appliance Hyper-V SonicOS SonicWall Gen7 Firewall SonicWall Gen8 Firewall

CVSS v3.1 Breakdown