Hazard

Is CVE-2025-40602 being exploited?

Confirmed exploited in the wild

CISA has evidence of active exploitation. This is not theoretical risk — someone has already used it against someone.

SonicWall SMA1000 Missing Authorization Vulnerability

SonicWall · SMA1000 appliance

CVSS 6.6 EPSS 2% no public exploit indexed Fix deadline passed 24 December 2025

What it is

SonicWall SMA1000 contains a missing authorization vulnerability that could allow for privilege escalation appliance management console (AMC) of affected devices.

Why we say that

  • CISA's federal remediation deadline (2025-12-24) has passed
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. Where an unfixed vulnerability leads to a breach, the ICO treats it as a security failure under UK GDPR. Recent cases:

All UK cases caused by unpatched software →