On 2025-12-17, CISA added CVE-2025-40602 (SonicWall SMA1000 appliance) to its Known Exploited Vulnerabilities (KEV) catalog [2]. The vulnerability is listed in the catalog as "SonicWall SMA1000 Missing Authorization Vulnerability" [2]. CISA requires remediation in accordance with the listed vendor mitigation guidance; see the original text in the body for specific requirements [2].
Backfill: this event became public on Dec 17, 2025 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds SonicWall SMA1000 appliance Vulnerability CVE-2025-40602 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Dec 17, 2025
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 2.8%, higher than 86% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires remediation in accordance with the listed vendor mitigation guidance; see the original text in the body for specific requirements [2].
Timeline
Technical details
CISA KEV Listing Record
CISA added CVE-2025-40602 (SonicWall SMA1000 appliance) to the Known Exploited Vulnerabilities () catalog on 2025-12-17 [2].
Original Technical Description
SonicWall SMA1000 contains a missing authorization vulnerability that could allow for privilege escalation appliance management console (AMC) of affected devices. [2]
Official 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 [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2025-40602 [1].
References
Official / primary3
- [1]
“A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).”
- [2]CISA2025-12-17Accessed 2026-11-07
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