VULNpocalypse

CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.

What it is

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

Description quoted from the CVE record (assigned by sonicwall, published 2025-12-18).

Weakness: CWE-862 Missing Authorization; CWE-250 Execution with Unnecessary Privileges

How it can be exploited

Exploitable over the network with high attack complexity needing high privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.

On CISA KEV since
2025-12-17
US federal deadline
2025-12-24
Ransomware use
Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2025-16145, EUVD-2025-204255, GHSA-p9f8-2p87-2pq5

VEDAS cluster: VEDAS:FLORALFIDDLEHEAD

Exploit Observer links 6 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (6)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Vulnerability databases and vendor advisories (6)

Catalogue entries, not exploit evidence.

News (1)

27 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS
0.028
some chance of attack soon
VEDAS
0.987
strong exploit evidence
On CISA KEV
Yes, since 2025-12-17
Detection rule
Nuclei · Suricata
EPSS (chance of attack)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.1CVE-2025-40602 EPSS over time2025-122026-11-01
VEDAS (exploit evidence)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.9CVE-2025-40602 VEDAS over time2025-122026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

ProductAffectedNot affected
SonicWall SMA1000version 12.4.3-03093 (platform-hotfix) and earlier versions
version 12.5.0-02002 (platform-hotfix) and earlier versions		Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: sonicwall sma6200_firmware, sonicwall sma6210_firmware, sonicwall sma7200_firmware, sonicwall sma7210_firmware, sonicwall sma8200v, sonicwall sma_1000.

How to fix it

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

Vendor guidance:

How to detect it

Nuclei template (active check)

SonicWall SMA1000 Appliance Management - Missing Authorization

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

Name and description quoted from the template, written by VEDAS.

The template sends 1 request (GET /login.action); it decides using dsl, regex, status, word matchers. Severity in the template: medium. Marked as not yet verified against a live vulnerable target.

Run it against a host you own or are authorised to test:

bash
nuclei -u https://your-host -t CVE-2025-40602.yaml
Show the template (61 lines)
yaml
id: CVE-2025-40602

info:
  name: "SonicWall SMA1000 Appliance Management - Missing Authorization"
  author: vedas-arpsyndicate
  severity: medium
  description: |
    A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000
    appliance management console (AMC).
  reference:
    - https://www.exploit.observer/?keyword=CVE-2025-40602&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=sonicwall&match=exact
  classification:
    cve-id: CVE-2025-40602
  metadata:
    verified: false
  tags: cve,cve2025,sonicwall,sma,privilege-escalation,kev,zero-day
http:
  - method: GET
    path:
      - "{{BaseURL}}/login.action"

    extractors:
      - type: kval
        name: server_header
        part: header
        kval:
          - Server
        internal: true

      - type: regex
        name: version
        part: header
        group: 1
        regex:
          - 'SMA/([0-9]+\.[0-9]+\.[0-9]+-[0-9]+)'
          - 'SMA/([0-9]+\.[0-9]+)'
        internal: false

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "<title>Appliance Management Console Login"
        part: body

      - type: status
        status:
          - 200

      - type: dsl
        dsl:
          # 12.4.3 without build number - ambiguous, flag for review (commented out)
          # - 'version == "12.4.3"'
          # 12.4.3 with specific vulnerable builds (up to 03093)
          - 'contains(version, "12.4.3-") && compare_versions(version, "<= 12.4.3-03093")'
          # 12.5.x branch: Generic 12.5 or 12.5.0 without build - ambiguous (commented out)
          # - 'version == "12.5" || version == "12.5.0"'
          # 12.5.0 with specific vulnerable builds (up to 02002)
          - 'contains(version, "12.5.0-") && compare_versions(version, "<= 12.5.0-02002")'
        condition: or

CVE-2025-40602.yaml on GitHub

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2025-40602 SonicWall SMA1000 Appliance Management - Missing Authorization. Add them to your Suricata rule set and reload.

Show the rules
suricata
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2025-40602 SonicWall SMA1000 Appliance Management - Missing Authorization"; flow:established,to_server; http.uri; content:"/login.action"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2025-40602; reference:url,https://www.exploit.observer/?keyword=CVE-2025-40602&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=sonicwall&match=exact; sid:1011782; rev:1;)

CVE-2025-40602.rules on GitHub

References

Vendor advisories and patches

Government sources

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.