CVE-2025-40602
MediumExploitedPublic exploitA local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
Published Dec 18, 2025 · Updated Dec 19, 2025
Key Facts
Patch immediately- CVE-2025-40602 is a medium-severity vulnerability (CVSS 6.6 v3.1) affecting Sma8200v (Sonicwall), Sma6200 Firmware (Sonicwall), Sma6210 Firmware (Sonicwall) and 3 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 17, 2025 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 2.8% probability of exploitation in the next 30 days.
- Fixed versions are available, including Sma6200 Firmware 12.4.3-03245, Sma6210 Firmware 12.4.3-03245, Sma7200 Firmware 12.4.3-03245.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
6.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
2.8%
Higher than 86.0% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-40602 brief as a PDF
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Description
A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Dec 17, 2025 | Dec 24, 2025 | Not reported |
| Industry KEV feed | Dec 17, 2025 | Dec 24, 2025 | Known |
| CIRCL KEV | Dec 17, 2025 | Dec 24, 2025 | Not reported |
| ENISA EUVD | Dec 17, 2025 | n/a | Not reported |
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
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Sma8200vSonicwall | See advisory | 12.4.3-03245 |
| Sma6200 FirmwareSonicwall | See advisory | 12.4.3-03245 |
| Sma6210 FirmwareSonicwall | See advisory | 12.4.3-03245 |
| Sma7200 FirmwareSonicwall | See advisory | 12.4.3-03245 |
| Sma7210 FirmwareSonicwall | See advisory | 12.4.3-03245 |
Patched Releases
Sma6200 Firmware
12.4.3-03245
Sma6210 Firmware
12.4.3-03245
Sma7200 Firmware
12.4.3-03245
Sma7210 Firmware
12.4.3-03245
Sma8200v
12.4.3-03245
Timeline
Added to CISA KEV
Dec 17, 2025
Added to Industry KEV feed
Dec 17, 2025
Added to CIRCL KEV
Dec 17, 2025
Added to ENISA EUVD
Dec 17, 2025
Publicly disclosed
Dec 18, 2025
Last updated
Dec 19, 2025
Weakness Type
- CWE-250 Execution with Unnecessary Privileges
- CWE-862 Missing Authorization
References
- advisoryVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
Affected: Sma8200v (Sonicwall); Sma6200 Firmware (Sonicwall); Sma6210 Firmware (Sonicwall), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 17, 2025 and is known to be used in ransomware campaigns.
Yes. It was added on Dec 17, 2025 with a federal remediation due date of Dec 24, 2025.
Public exploit code is available.
Fixed versions are available, including Sma6200 Firmware 12.4.3-03245, Sma6210 Firmware 12.4.3-03245, Sma7200 Firmware 12.4.3-03245.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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