SonicWall firewalls targeted in ransomware attacks, possibly via zero-day
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-40599 | An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface | 9.1 | 13% |
From the original article
4 min read at helpnetsecurity.com
Attackers wielding the Akira ransomware and possibly a zero-day exploit have been spotted targeting SonicWall firewalls since July 15, 2025. “In the intrusions reviewed, multiple pre-ransomware intrusions were observed within a short period of time, each involving VPN access through SonicWall SSL VPNs,” Arctic Wolf researchers have warned.
By @zeljkazorz · helpnetsecurity.com
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