---
title: "CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability"
url: https://erroneo.us/security/cve/CVE-2025-40602/
description: "CVE-2025-40602 (SonicWall SMA1000 appliance): Exploited in the wild (CISA KEV). A local privilege escalation vulnerability due to insufficient authorization…"
type: vulnerability-record
section: "Security Digest"
date_published: 2025-12-18
date_modified: 2025-12-18
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2025-40602"
kev: true
cvss: 6.6
epss: 0.02756
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- 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).

## Affected products (CVE record)

- SonicWall SMA1000: 12.4.3-03093 (platform-hotfix) and earlier versions, 12.5.0-02002 (platform-hotfix) and earlier versions

## Severity

- CISA-ADP CVSS 3.1: 6.6 `CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H`

## Exploitation

- 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.

## Sources

- [psirt.global.sonicwall.com](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019)
- [CVE.org record CVE-2025-40602](https://www.cve.org/CVERecord?id=CVE-2025-40602)
- [NVD entry CVE-2025-40602](https://nvd.nist.gov/vuln/detail/CVE-2025-40602)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40602)

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Source page: https://erroneo.us/security/cve/CVE-2025-40602/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt