Exploited vulnerabilities / CVE-2025-40602
Confirmed exploited · privilege escalation · SonicWall SMA1000 applianceCVE-2025-40602
SonicWall SMA1000 appliance privilege escalation, confirmed exploited in the wild.
SonicWall SMA1000 contains a missing authorization vulnerability that could allow for privilege escalation appliance management console (AMC) of affected devices.
| CISA's name for it | SonicWall SMA1000 Missing Authorization Vulnerability |
|---|---|
| Vendor and product | SonicWall · SMA1000 appliance |
| Type | privilege escalation · CWE-862, CWE-250 |
| Exploited | Confirmed by CISA listed 17 December 2025 |
| Likelihood | more likely to be exploited than most |
| Deadline | 24 December 2025 · already passed |
| Used in ransomware | Not reported |
| Advisories | psirt.global.sonicwall.com ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Install the update on every affected system, servers and workstations alike.
Escalation bugs are chained after a first foothold: check for other exposures an attacker could start from.
Review who holds administrative rights, and alert on new ones.
| CISA's 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 |
|---|
Know before someone else finds it
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CVE-2025-40602 in short
Is CVE-2025-40602 being exploited?
Yes. CISA added CVE-2025-40602 to its Known Exploited Vulnerabilities catalogue on 17 December 2025, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2025-40602?
US federal agencies must remediate it by 24 December 2025. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2025-40602 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 2.8%, the 86th percentile of every CVE it scores.
How do I fix CVE-2025-40602?
Install the update on every affected system, servers and workstations alike. Escalation bugs are chained after a first foothold: check for other exposures an attacker could start from. Review who holds administrative rights, and alert on new ones.
Other SonicWall vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-19868 | SonicOS SSLVPN | exploited vulnerability | 6 November 2026 |
| CVE-2026-83548 | SMA1000 Appliances | server-side request forgery | 2 September 2026 |
| CVE-2026-83549 | SMA1000 Appliances | remote code execution | 2 September 2026 |
| CVE-2026-15409 | SMA1000 Appliances | server-side request forgery | 14 July 2026 |
| CVE-2026-15410 | SMA1000 Appliances | command injection | 14 July 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.