---
id: CVE-2026-102256
title: >-
  Post-authentication Improper Neutralization of Special Elements used in an OS
  Command ('OS Command Injection') vulnerability has been identified in the
  SMA1000 appliance which in specific conditions could potentially enable a
  remote auth…
summary: >-
  Post-authentication Improper Neutralization of Special Elements used in an OS
  Command ('OS Command Injection') vulnerability has been identified in the
  SMA1000 appliance which in specific conditions could potentially enable a
  remote auth…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: SonicWall
product: SMA1000
affected:
  - SMA1000 12.4.3-03526 (platform-hotfix) and older versions
  - SMA1000 12.5.0-02952 (platform-hotfix) and older versions
published: '2026-10-07'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T04:17:06.950'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102256'
references:
  - url: 'https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017'
    label: PSIRT@sonicwall.com
tags:
  - nvd
  - cve.org
  - exploit-available
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-07T14:53:45.978463Z'
ingestedAt: '2026-10-07T13:31:04.594Z'
epss: 0.00526
epssPercentile: 0.44346
exploits:
  github: 1
  githubRepos:
    - >-
      https://github.com/CompleTetech-Security/sonicwall-sma1000-cve-2026-102256-check
  checkedAt: '2026-10-27T16:53:21.682Z'
exploitAvailable: true
---

## Overview

Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been identified in the SMA1000 appliance which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.