What is the CVSS score of CVE-2025-32821?

CVE-2025-32821 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

How to fix or mitigate CVE-2025-32821?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Validate that input sanitization is in place for all user-controlled parameters.

Sma 100 Firmware CVE-2025-32821

HIGH

OS Command Injection (CWE-78)

2025-05-07 PSIRT@sonicwall.com

Command Injection Sonicwall Sma 100 Firmware Sma 200 Firmware Sma 210 Firmware Sma 400 Firmware Sma 410 Firmware Sma 500V Firmware

7.2

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-78 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. Sign in to read
Impact	CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.56%.
Exploit ScenarioDerived	A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN admin privileges can with admin privileges can inject shell command arguments to upload a file on the appliance. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

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

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN admin privileges can with admin privileges can inject shell command arguments to upload a file on the appliance. Affected products include: Sonicwall Sma 100 Firmware, Sonicwall Sma 200 Firmware, Sonicwall Sma 210 Firmware, Sonicwall Sma 400 Firmware, Sonicwall Sma 410 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.2 HIGH

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN admin privileges can with admin privileges can inject shell command arguments to upload a file on the appliance.

Executive ViewAI

Why It Matters

Organizations using A vulnerability in SMA100 face moderate risk from CVE-2025-32821, a OS command injection vulnerability rated CVSS 7.2. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Moderate

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Deploy WAF rules to block injection patterns; (2) Restrict network access to affected components; (3) Enable enhanced logging for suspicious activity.

Threat Intelligence Overview

EPSS Score

0.6%

Top 32% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 0.6%

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

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +36

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

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

Affected Products (CPE)CVE.org

cpe:2.3:o:sonicwall:sma_100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:sonicwall:sma_200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:sonicwall:sma_400_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*

More in Sma 100 Firmware

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CVE-2019-7481 HIGH Act Now POC

7.5 Dec 17

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

CVE-2021-20016 CRITICAL Emergency

9.8 Feb 04

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

CVE-2025-32819 HIGH This Week POC

8.8 May 07

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges to bypass the path traversa

CVE-2019-7482 CRITICAL Act Now

9.8 Dec 19

Stack-based buffer overflow in SonicWall SMA100 allows an unauthenticated user to execute arbitrary code in function lib

CVE-2025-32820 HIGH This Week

8.8 May 07

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges can inject a path traversal

CVE-2019-7486 HIGH This Week

8.8 Dec 19

Code injection in SonicWall SMA100 allows an authenticated user to execute arbitrary code in viewcacert CGI script. Rate

CVE-2019-7485 HIGH This Week

8.8 Dec 19

Buffer overflow in SonicWall SMA100 allows an authenticated user to execute arbitrary code in DEARegister CGI script. Ra

CVE-2021-20050 HIGH This Week

7.5 Dec 23

An Improper Access Control Vulnerability in the SMA100 series leads to multiple restricted management APIs being accessi

CVE-2021-20049 HIGH This Week

7.5 Dec 23

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 usern

CVE-2019-7483 HIGH This Week

7.5 Dec 19

In SonicWall SMA100, an unauthenticated Directory Traversal vulnerability in the handleWAFRedirect CGI allows the user t

CVE-2019-7484 MEDIUM This Month

6.5 Dec 19

Authenticated SQL Injection in SonicWall SMA100 allow user to gain read-only access to unauthorized resources using view

Same weakness CWE-78 – OS Command Injection

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CVE-2019-15107 CRITICAL POC

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CVE-2024-51378 CRITICAL POC

9.8

CVE-2014-6271 CRITICAL POC

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CVE-2018-11138 CRITICAL POC

9.8

CVE-2014-6278 HIGH POC

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CVE-2020-9054 CRITICAL POC

9.8

CVE-2017-6334 HIGH POC

8.8

CVE-2024-50603 CRITICAL POC

10.0

Same technique Command Injection

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CVE-2024-21887 CRITICAL POC

9.1

CVE-2016-3081 HIGH POC

8.1

CVE-2012-1823 CRITICAL POC

9.8

CVE-2016-1555 CRITICAL POC

9.8

CVE-2024-55956 CRITICAL POC

9.8

References

Advisories & patches

ADVISORY https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0011

Search Externally

GitHub PoC

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