Overstep is a malware family described in recent reports as being involved in campaigns targeting enterprise network security devices.
Overstep is a malware family described in recent reports as being involved in campaigns targeting enterprise network security devices. The activity is tied to exploits against SonicWall appliances, specifically involving a new SMA1000 zero-day and a SonicWall SonicOS vulnerability, underscoring the risk to firewall infrastructure and the need for timely remediation. This threat highlights how attackers leverage appliance flaws to gain access, disrupt operations, or move within networks.
In June 2026, a surge in attacks targeting SonicWall Gen 7 firewalls has been reported, exploiting CVE-2024-40766, an improper access control flaw. This vulnerability allows threat actors to gain unauthorized access,…
SonicWall has issued a security advisory regarding a critical vulnerability in its SonicOS operating system, identified as CVE-2025-40601. This high-severity flaw affects Gen7 and Gen8 hardware and virtual appliances,…
SonicWall has alerted customers to a local privilege escalation vulnerability (CVE-2025-40602) in the SMA1000 Appliance Management Console, which has been exploited in the wild in conjunction with another vulnerability…
SonicWall has disclosed a critical vulnerability in its SonicOS SSLVPN service, tracked as CVE-2025-40601, which allows remote, unauthenticated attackers to crash Gen7 and Gen8 firewalls. The flaw, caused by a…