SMA 1000: pre-authentication deserialization of untrusted data (CVE-2025-23006) #shorts

Summary

Today we're discussing a newly discovered critical security vulnerability, CVE-2025-23006, affecting SonicWall's SMA 1000 Series appliance. This zero-day flaw is reportedly being actively exploited, making it essential for affected users to take immediate action.

Product details

The vulnerability impacts SonicWall's Secure Mobile Access (SMA) 1000 Appliances, specifically versions 12.4.3-02804 and earlier. These appliances are widely used for remote access solutions by enterprises around the world.

Vulnerability type summary

CVE-2025-23006 is categorized as a CWE-502 vulnerability, which involves the deserialization of untrusted data. This type of flaw can lead to serious security issues when exploited by attackers, allowing them to potentially execute arbitrary commands on the affected system.

Details of the vulnerability

The vulnerability is found in the SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC). It allows for pre-authentication deserialization of untrusted data, potentially enabling a remote unauthenticated attacker to execute arbitrary operating system commands. Reports indicate that this vulnerability has been exploited in the wild, leading to privilege escalation via the Appliance Management Console.

Conclusion

In conclusion, this zero-day vulnerability poses a significant risk to SonicWall SMA 1000 appliances. It is crucial for users to stay informed and take immediate steps to mitigate the risk. SonicWall has advised customers to upgrade their systems as soon as possible to protect against potential exploitation. Stay vigilant and ensure your network security measures are up-to-date.

This chain involves the following actors

This following systems are involved

Attack entry point

Remediation actions

Exploitation actions

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0002