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SonicWall SMA VPN devices targeted in attacks since January

A remote code execution vulnerability affecting SonicWall Secure Mobile Access (SMA) appliances has been under active exploitation since at least January 2025, according to cybersecurity company Arctic Wolf. This security flaw (CVE-2021-20035) impacts SMA 200, SMA 210, SMA 400, SMA 410, and SMA 500v devices and was patched almost four years ago, in September 2021, when SonicWall said it could…