CVE-2025-23006: SonicWall SMA8200v RCE Vulnerability

CVE-2025-23006 Overview

Pre-authentication deserialization of untrusted data vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC), which in specific conditions could potentially enable a remote unauthenticated attacker to execute arbitrary OS commands.

Critical Impact
This vulnerability can allow remote code execution, leading to full system compromise.

Affected Products

SonicWall SMA8200v
SonicWall SMA6200
SonicWall SMA6210

Discovery Timeline

2025-01-23 - CVE CVE-2025-23006 published to NVD
2025-10-31 - Last updated in NVD database

Technical Details for CVE-2025-23006

Vulnerability Analysis

This vulnerability arises from the insecure deserialization of untrusted data prior to authentication. In particular, the AMC and CMC components allow an attacker to send specially crafted objects that manipulate the underlying deserialization mechanism, leading to arbitrary OS command execution.

Root Cause

The root cause is the improper handling of serialized data inputs, which allows external entities to influence object creation and execution flows.

Attack Vector

Network-based attacks using crafted payloads targeting the deserialization mechanism within SMA1000 appliance management consoles.

python

# Example exploitation code (sanitized)
import requests

url = "http://target-ip:port/"
# Payload with malicious serialized data
payload = "<malicious_serialized_data>"

response = requests.post(url, data=payload)
print(response.content)

Detection Methods for CVE-2025-23006

Indicators of Compromise

Unusual outbound network traffic
Presence of unexpected processes
Execution of unauthorized commands

Detection Strategies

Monitoring for anomalous network activities associated with SMA1000 console endpoints and analyzing logs for unexpected serialized data packets.

Monitoring Recommendations

Deploy network intrusion detection systems (NIDS) to track serialized data and unusual command execution patterns.

How to Mitigate CVE-2025-23006

Immediate Actions Required

Disable vulnerable components if possible
Restrict network access to affected systems
Monitor traffic for indicators of malicious exploitation

Patch Information

SonicWall has released patches addressing this vulnerability. Users should refer to the Vendor Advisory for detailed patch information.

Workarounds

For users unable to apply patches immediately, limiting network exposure and employing application whitelisting can reduce risk.

bash

# Configuration example for firewall rules
iptables -A INPUT -s <trusted_ip> -p tcp --dport <service_port> -j ACCEPT
iptables -A INPUT -p tcp --dport <service_port> -j DROP