Exploited CVEs / SonicWall / CVE-2025-40602
CVE-2025-40602
SonicWall SMA1000 Missing Authorization Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted. Federal agencies were required to remediate by 2025-12-24 (that deadline has passed); treat that date as the outer bound for your own environment. The fix is in the vendor advisory: SonicWall PSIRT Advisories, linked below.
Actively exploited SonicWall SMA1000 appliance vulnerability, Medium severity, CVSS 6.6. Added to the CISA KEV catalog 2025-12-17.
Risk summary
Updated July 25, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.
Senserva AI Opinion for CVE-2025-40602
SonicWall SMA1000 remote access appliances contain a missing authorization flaw enabling privilege escalation in the appliance management console, rated Medium Severity at CVSS 6.6 and confirmed exploited since 2025-12-17. SMA appliances have been a recurring target for extortion-motivated intrusions, and escalation in the AMC gives an attacker durable control of the device brokering your remote access. The modest score understates its value as a chain component.
Do this: Apply the SonicWall firmware update to SMA1000 appliances and audit AMC administrator accounts for unexplained changes.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2025-40602
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for CVE-2025-40602
Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.
What the press says about CVE-2025-40602
Trusted-source coverage, pulled live from their own feeds.
CISA required action
Federal (BOD 22-01) remediation due date: 2025-12-24 (past due).
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable
Official fix for CVE-2025-40602
The authoritative fix and affected-version list are published by the vendor. Find the SMA1000 appliance advisory on SonicWall PSIRT Advisories.
Common questions about CVE-2025-40602
Is CVE-2025-40602 actively exploited?
Yes. CVE-2025-40602 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2025-12-17, which means exploitation in the wild has been confirmed, not predicted. Its EPSS 30-day exploitation probability is 1.9%.
What is the CISA deadline and required action for CVE-2025-40602?
CISA set the federal (BOD 22-01) remediation due date at 2025-12-24, which has passed; treat any unremediated system as overdue. The verbatim required action: 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 fixes CVE-2025-40602?
The authoritative fix is in the vendor advisory: see SonicWall PSIRT Advisories for the patched SMA1000 appliance versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.
Can I ask my own AI about CVE-2025-40602?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2025-40602's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed twice a day (5 AM and 3 PM US Central).
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Authoritative references
Every actively exploited CVE, searchable with due dates and CSV export: the exploited-CVE tracker. The newest additions: exploited this week.