Critical

SonicWall warns of new SSL-VPN MFA bypass flaw exploited in attacks

BleepingComputer

November 7, 2026 at 12:00 AM

Actively Exploited

Overview

SonicWall has issued security updates to address seven vulnerabilities in its SonicOS firewalls, one of which is a serious SSL-VPN authentication bypass flaw. This vulnerability has already been exploited in active attacks, putting users at risk of unauthorized access to their networks. Companies that use SonicWall firewalls should prioritize applying these updates to safeguard their systems. The affected products primarily include various versions of SonicWall's SonicOS, highlighting the need for prompt action from system administrators. As cyber threats continue to evolve, staying updated with security patches is crucial to maintaining network integrity.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: SonicWall SonicOS firewalls
Action Required: Users should update to the latest version of SonicOS as per SonicWall's security advisories.
Timeline: Newly disclosed

Original Article Summary

SonicWall has released security updates to fix seven vulnerabilities in SonicOS firewalls, including an SSL-VPN authentication bypass flaw exploited in attacks. [...]

Impact

SonicWall SonicOS firewalls

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

Users should update to the latest version of SonicOS as per SonicWall's security advisories. Specific patch numbers were not provided.

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 Vulnerability.

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