Critical

Critical SonicWall SMA 1000 Flaw Targeted in 135 Exploitation Attempts After Patch

The Hacker News

October 12, 2026 at 10:36 AM

Actively Exploited

Overview

A serious security vulnerability in SonicWall Secure Mobile Access (SMA) 1000 appliances has been exploited by attackers shortly after it was made public. This flaw, identified as CVE-2026-102255, has a maximum severity score of 10.0 and involves pre-authenticated server-side request forgery (SSRF), which could enable remote attackers to manipulate the appliance into making unauthorized requests. SonicWall users are at risk, as the vulnerability has already seen 135 exploitation attempts. This situation underscores the urgency for affected organizations to act quickly to secure their systems and protect sensitive data from potential breaches.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: SonicWall Secure Mobile Access (SMA) 1000 appliances
Action Required: SonicWall has released patches to address the vulnerability.
Timeline: Newly disclosed

Original Article Summary

Threat actors have been observed exploiting a recently disclosed critical security flaw in SonicWall Secure Mobile Access (SMA) 1000 appliances within days of public disclosure. The vulnerability, tracked as CVE-2026-102255 (CVSS score: 10.0), is a case of pre-authenticated server-side request forgery (SSRF) that could allow a remote attacker "to direct the appliance to issue requests on their

Impact

SonicWall Secure Mobile Access (SMA) 1000 appliances

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

SonicWall has released patches to address the vulnerability. Users should ensure their SMA 1000 appliances are updated to the latest firmware version to mitigate this risk.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Vulnerability, Patch, and 1 more.

Read Original Article

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