OS Command Injection in SonicWall SMA 1000 - CVE-2026-102256
Published: October 6, 2026
Vulnerability identifier: #VU153401
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-102256
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to improper neutralization of special elements used in an OS command in the SMA1000 appliance when handling OS commands. A local user can inject arbitrary OS commands to execute arbitrary code.
Affected software
SonicWall SMA 1000
How to mitigate CVE-2026-102256
Install security update from vendor's website.
SonicWall SMA 1000 - addressed in versions 12.4.3-03670, 12.5.0-03082