CVE-2025-40602 — SonicWall SMA1000 Missing Authorization Vulnerability

A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).

01What is this vulnerability?

A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).

02Affected products

Vendor	Product	Versions
SonicWall	SMA1000	12.4.3-03093 (platform-hotfix) and earlier versions, 12.5.0-02002 (platform-hotfix) and earlier versions

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2025-12-17. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-12-18T10:58:41.668Z
• Last modified: 2025-12-18T11:32:37.662Z
• Added to CISA KEV: 2025-12-17
• BOD 22-01 due: 2025-12-24

09References

• psirt.global.sonicwall.com — https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019