Skip to main content

SonicWall SMA1000 CVE-2026-102256

| EUVDEUVD-2026-94325 HIGH
OS Command Injection (CWE-78)
2026-10-07 PSIRT@sonicwall.com GHSA-34mf-86x9-c654
7.8
CVSS 3.1 · Vendor: sonicwall
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain SMA1000 administrator credentials
  2. Delivery
    Authenticate to appliance management interface
  3. Exploit
    Inject OS command via vulnerable input
  4. Execution
    Execute arbitrary commands on appliance
  5. Impact
    Full device compromise and RCE

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to already be authenticated as an administrator to the SMA1000 appliance (post-authentication), and the vendor states it succeeds only 'in specific conditions' that are not detailed in the advisory. Limiting factors: valid administrator credentials are mandatory (no anonymous/unauthenticated path), the flaw affects SMA1000 firmware 12.5.0-02952 and 12.4.3-03526 platform-hotfixes and older, and the undisclosed 'specific conditions' may further restrict which deployments or configurations are exploitable. The CVSS AV:L designation also implies a possibly local/console-adjacent vector despite the description's 'remote' wording - this should be confirmed before treating it as fully network-reachable.

Impact

This is a moderate, not top-tier, priority. The vendor (SonicWall PSIRT) CVSS of 7.8 is driven by full C:H/I:H/A:H impact (OS command injection yielding RCE on a security appliance), but every exploitation signal that would elevate urgency is absent or dampening: no EPSS score is provided, the vulnerability is NOT in CISA KEV, and no public POC/exploit is referenced - so exploitation status is 'no public exploit identified at time of analysis.' Critically, the data is internally CONFLICTING: the CVSS vector specifies AV:L (local attack vector) and PR:L, yet the description explicitly states a 'remote authenticated attacker as administrator' - AV:L contradicts 'remote,' and PR:L understates the 'administrator' privilege the description requires. Verify the attack vector and required privilege with SonicWall, as this materially changes exploitability. Because exploitation requires prior administrator authentication AND unspecified 'specific conditions,' real-world risk is substantially lower than the 7.8 base score suggests - an attacker must already hold admin credentials, making this primarily a post-compromise privilege/persistence escalation or an insider/credential-theft chain rather than a mass-exploitable perimeter flaw.

Exploit ScenarioDerived

An attacker who has already obtained SMA1000 administrator credentials (via phishing, credential reuse, or a prior foothold) sends a crafted request to a vulnerable management function that fails to neutralize special characters, injecting OS commands that run on the appliance. Under the 'specific conditions' noted by the vendor this yields arbitrary command execution and full device compromise. No public exploit code is currently identified, and successful abuse presupposes valid administrator authentication.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Oct 07, 2026

Post-authentication OS command injection in SonicWall SMA1000 firmware (12.5.0-02952 and 12.4.3-03526 platform-hotfixes and older) allows an attacker with administrator credentials to execute arbitrary OS commands, leading to remote code execution. The independent assessment rates this as a moderate priority due to the requirement for valid administrator credentials and undisclosed 'specific conditions'; no public exploit code has been identified at time of analysis. The vendor CVSS vector (AV:L) differs from the assessed network vector, and exploitability may be further limited by configuration-specific factors.

RemediationAI

Apply the latest firmware platform-hotfix or release as directed by SonicWall PSIRT advisory SNWLID-2026-0017; at time of analysis no fixed version was specified in the provided intelligence, so consult the advisory for exact patched versions. In the interim, restrict administrative access to the SMA1000 management interface to trusted internal networks only, enforce multi-factor authentication for all administrator accounts, and enable detailed audit logging of command execution. Note that these mitigations reduce the attack surface but do not fully eliminate the risk if an attacker obtains valid administrator credentials. The vendor also states exploitation requires 'specific conditions' that are not disclosed, so monitoring for anomalous admin activity is advised.

Affected VersionsENISA

SMA1000 12.5.0-02952 (platform-hotfix) and older versions
SMA1000 12.4.3-03526 (platform-hotfix) and older versions

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The vulnerability is a classic OS command injection (CWE-78) in the SonicWall SMA1000 secure remote access appliance. An attacker who has already authenticated as an administrator can inject special elements into an OS command, bypassing neutralization and achieving arbitrary command execution on the underlying operating system. The flaw affects specific firmware releases, including 12.5.0-02952 and 12.4.3-03526 platform-hotfixes and older. The independent assessment rates the vector as AV:N/AC:L/PR:H/UI:N, indicating network reachability but requiring high privileges, while the vendor assigned a local (AV:L) vector and a base score of 7.8. The discrepancy suggests the actual attack vector may be local/console-adjacent or that the vulnerability requires a specific configuration not detailed in the advisory. The EUVD ID is EUVD-2026-94325, and the vendor advisory is SNWLID-2026-0017.

Know when Sonicwall gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (sonicwall) PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 7.2 HIGH

Description specifies a remote administrator-authenticated attacker, so AV:N and PR:H (not the vendor's AV:L/PR:L); command injection grants full RCE, giving C:H/I:H/A:H.

3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (sonicwall).

CVSS VectorVendor: sonicwall

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
CVSS changed
Oct 07, 2026 - 15:22 NVD
7.8 (HIGH)
CVE Published
Oct 07, 2026 - 13:17 cve.org
UNKNOWN (no severity yet)
CVE Published
Oct 07, 2026 - 13:17 cve.org
HIGH 7.8

DescriptionCVE.org

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.

Executive ViewAI

Why It Matters

SonicWall SMA1000 remote access appliances are affected by a high-severity OS command injection flaw that could allow an attacker with administrator credentials to execute arbitrary commands and potentially compromise the device. No public exploit identified at time of analysis, and no vendor-released patch identified at time of analysis, so organizations relying on these appliances face material risk if administrative accounts are compromised. Leadership should ensure tight control over administrative access and heightened monitoring until SonicWall provides remediation.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include restricting administrative access to trusted networks, enforcing multi-factor authentication for all administrative accounts, monitoring appliance logs for suspicious command execution, and applying network segmentation to limit lateral movement.

Threat Intelligence Overview

EPSS Score
0.5%
Top 60% exploitable
Prevalence
Medium
SonicWall SMA1000 is a specific vendor remote-access appliance, common in enterprises but not ubiquitous
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Defer
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

CVE-2021-44228 CRITICAL POC
10.0 Dec 10

Apache Log4j2 contains a critical JNDI injection vulnerability known as 'Log4Shell' that allows unauthenticated remote c

CVE-2024-53704 CRITICAL POC
9.8 Jan 09

SonicWall SonicOS SSLVPN contains an authentication bypass vulnerability allowing remote attackers to bypass authenticat

CVE-2019-7481 HIGH POC
7.5 Dec 17

Vulnerability in SonicWall SMA100 allow unauthenticated user to gain read-only access to unauthorized resources. Rated h

CVE-2021-20021 CRITICAL POC
9.8 Apr 09

A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account

CVE-2025-23006 CRITICAL
9.8 Jan 23

SonicWall SMA1000 AMC and CMC contain a pre-authentication deserialization vulnerability allowing unauthenticated remote

CVE-2012-2962 MEDIUM POC
6.5 Jul 30

SQL injection vulnerability in d4d/statusFilter.php in Plixer Scrutinizer (aka Dell SonicWALL Scrutinizer) before 9.5.2

CVE-2026-15409 CRITICAL POC
10.0 Jul 14

Server-side request forgery in the SonicWall SMA1000 Appliance Work Place interface lets remote, unauthenticated attacke

CVE-2026-83548 CRITICAL POC
10.0 Sep 01

Pre-authentication server-side request forgery in the SonicWall SMA1000 secure-access appliance's Work Place interface l

CVE-2014-8420 CRITICAL POC
9.0 Nov 25

The ViewPoint web application in Dell SonicWALL Global Management System (GMS) before 7.2 SP2, SonicWALL Analyzer before

CVE-2012-3951 HIGH POC
7.5 Jul 31

The MySQL component in Plixer Scrutinizer (aka Dell SonicWALL Scrutinizer) 9.0.1.19899 and earlier has a default passwor

CVE-2014-4977 MEDIUM POC
6.5 Jul 16

Multiple SQL injection vulnerabilities in Dell SonicWall Scrutinizer 11.0.1 allow remote authenticated users to execute

CVE-2021-20016 CRITICAL
9.8 Feb 04

A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy