Security Digest · Vulnerability record · Known exploited
CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability
Exploited in the wild (CISA KEV). A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
CISA KEV · added 2025-12-17 CVSS 6.6 Medium EPSS 2.8% · p86
Should you act?
Exploited: patch now if you run it
CISA has confirmed exploitation in the wild. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.
- Yes, if you run SonicWall SMA1000 appliance. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2025-12-17, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2025-12-24; treat that as the outer limit, not the target.
- EPSS 2.8%, percentile 86: FIRST’s model estimates a 2.8% chance of exploitation activity in the next 30 days, higher than 86% of all scored CVEs (elevated). EPSS is a probability, not a verdict.
- Needs an account (high (admin)). Exposure depends on who can log in.
What it is
A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
CISA’s summary
SonicWall SMA1000 contains a missing authorization vulnerability that could allow for privilege escalation appliance management console (AMC) of affected devices.
Weakness type: CWE-862, CWE-250.
Product: SonicWall SMA1000 appliance · Assigned by: sonicwall · Published: 2025-12-18
Affected and fixed versions
| Vendor | Product | Affected versions (per CVE record) |
|---|---|---|
| SonicWall | SMA1000 | 12.4.3-03093 (platform-hotfix) and earlier versions, 12.5.0-02002 (platform-hotfix) and earlier versions |
Severity scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADP | 3.1 | 6.6 Medium | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
- Attack vector: network (remotely reachable)
- Attack complexity: high (needs special conditions)
- Privileges required: high (admin)
- User interaction: none
- Scope: unchanged
CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.
Exploitation and urgency
- CISA KEV: added 2025-12-17; federal due date 2025-12-24. Known ransomware use: Unknown.
- 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
- CISA SSVC assessment: exploitation active, automatable no, technical impact total.
- FIRST EPSS (model of 2026-10-21): 2.76% probability of exploitation activity in the next 30 days; percentile 86.
Timeline
- — Added to CISA’s Known Exploited Vulnerabilities catalog
- — CVE record last updated
- — CVE record published by sonicwall
- — CISA remediation deadline for US federal agencies
Sources and references
Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.
Vendor and project advisories, patches
- psirt.global.sonicwall.com psirt.global.sonicwall.com
Vulnerability records
- CVE.org record CVE-2025-40602 cve.org
- NVD entry CVE-2025-40602 nvd.nist.gov
Government
All exploited SonicWall vulnerabilities · Today’s Security Digest