SonicWall SMA1000 Missing Authorization Vulnerability

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

CheckOps priority index

3.9/10 Patch within 7 days

Severity6.6

Probability0.3

Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 2.8% higher than 86.2% of CVEs

CVSS 3.1 6.6 AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:

Exploited for 321 days 17 Dec 2025

CISA due date 24 Dec 2025 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

KEV catalog (CISA)17 Dec 2025
Exploited in EUVD (ENISA)17 Dec 2025
Used by ransomwareno
EPSS above 10 %2.8%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

SMA1000SMA1000 appliance

Affected versions

12.5.0-02002 (platform-hotfix) and earlier versions
12.4.3-03093 (platform-hotfix) and earlier versions

Weaknesses (CWE)

CWE-862 CWE-250

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

17 Dec 2025
Exploitation reported (ENISA)
17 Dec 2025
Added to the KEV catalog
18 Dec 2025
Published
24 Dec 2025
CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

CVE-2026-83549SonicWall SMA1000 Appliances OS Command Injection Vulnerability
4.6 · Actively exploited
CVE-2026-83548SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
6.0 · Actively exploited
CVE-2026-15410SonicWall SMA1000 Appliances Code Injection Vulnerability
5.6 · Actively exploited
CVE-2026-15409SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
6.6 · Actively exploited
CVE-2023-44221SonicWall SMA100 Appliances OS Command Injection Vulnerability
7.0 · Background exploitation
CVE-2021-20035SonicWall SMA100 Appliances OS Command Injection Vulnerability
3.9 · Background exploitation