CISA KEV · Known exploitedMedium

CVE-2025-40602

SonicWall SMA1000 appliance

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

CVSS
6.6
EPSS
1.94%
78.2% percentile
CISA KEV
Listed
Published
2025.12.18
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability1.94%
Technical severityCVSS 6.6

Vulnerability overview

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

Affected product and versions

Product
SonicWall SMA1000 appliance
Affected versions
12.4.3-03093 (platform-hotfix) and earlier versions, 12.5.0-02002 (platform-hotfix) and earlier versions, < 12.4.3-03245, >= 12.5.0 < 12.5.0-02283
Fixed versions
12.4.3-03245, 12.5.0-02283

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA 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

Due date: 2025.12.24
  1. 1
    Identify

    Confirm that SonicWall SMA1000 appliance and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-250, CWE-862
KEV added
2025.12.17
Ransomware use
미확인
CVE-2025-40602 — SonicWall SMA1000 appliance | SECUFOCUS NOW