CVE-2025-40602KEV · OVERDUECWE-250CWE-862

SonicWall SMA1000 Missing Authorization Vulnerability

Medium · published December 18, 2025

Patch now

The score understates this — it's already being exploited

CVSS calls it medium at 6.6. It is confirmed in active exploitation. It sits in the 86.1th percentile for exploit probability.

303
days past CISA
deadline
CVSS v3.1
6.6
EPSS
3%
Percentile
86.1
In the wild
Confirmed
What it is

⚠️ A sneaky local privilege escalation vulnerability lurks in the SonicWall SMA1000 management console, and it’s easier to exploit than you might think! Think of it like a VIP party where the bouncer missed a few guests on the list — anyone inside could grab the mic and take charge, even if they weren’t invited! 🎤 An attacker with local access could exploit this vulnerability to elevate their privileges, potentially gaining control over sensitive configurations. This could lead to unauthorized actions that compromise the entire system, which is absolutely devastating for your network security!

Put simply

Think of it like a VIP party where the bouncer missed a few guests on the list — anyone inside could grab the mic and take charge, even if they weren’t invited! 🎤 This vulnerability arises from insufficient authorization checks in the SonicWall SMA1000 appliance management console, allowing users to gain elevated privileges easily.

What to do

An attacker with local access could exploit this vulnerability to elevate their privileges, potentially gaining control over sensitive configurations. This could lead to unauthorized actions that compromise the entire system, which is absolutely devastating for your network security! To protect your systems, immediately update the SonicWall SMA1000 appliance to the latest patched version. Make sure to review access controls and limit local user privileges where possible. Conduct a security audit to ensure no unauthorized changes have been made! You've got this! With these steps, you’ll shore up your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
6.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02756 · 86.1th percentile
Weaknesses
CWE-250 · Execution with Unnecessary Privileges; CWE-862 · Missing Authorization
Published
2025-12-18T10:58Z
KEV added
2025-12-17 · due 2025-12-24
EPSS history
Timeline
  • 18 DEC 10:58Z
    A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC)
    cvelistv5
  • 17 DEC 00:00Z
    Added to CISA KEV — remediate by Dec 24
    kev