CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability
Vulnerability summary
CVE-2025-40602 is a medium (CVSS 6.6) Execution with Unnecessary Privileges vulnerability in SonicWall SMA1000 appliance. It is known to be exploited: CISA lists it, first on 17-12-2025. EPSS estimates a 2.76% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities.
Timeline
- 17-12-2025Added to CISA KEVSonicWall SMA1000 Missing Authorization Vulnerability
- 18-12-2025PublishedVulnerability first disclosed.
- 18-12-2025Last modifiedVulnerability information updated.
- 24-12-2025CISA remediation dueApply mitigations per vendor instructions.
Description
A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.6MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.76%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
+0.67 pp
From 2.08% on 18-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 17-12-2025
- Federal due date
- 24-12-2025
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 nvd.nist.gov/vuln/detail/CVE-2025-40602
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-250Execution with Unnecessary PrivilegesThe product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Sonicwall6 products
- sma1000_firmware12.4.3-03093 (platform-hotfix) and earlier versions | 12.5.0-02002 (platform-hotfix) and earlier versions
- sma6200_firmware< 12.4.3-03245 | ≥ 12.5.0, < 12.5.0-02283
- sma6210_firmware< 12.4.3-03245 | ≥ 12.5.0, < 12.5.0-02283
- sma7200_firmware< 12.4.3-03245 | ≥ 12.5.0, < 12.5.0-02283
- sma7210_firmware< 12.4.3-03245 | ≥ 12.5.0, < 12.5.0-02283
1 vendor · 6 products
References
2 links- psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40602Government ResourceUS Government Resource