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The new 'Helldown' ransomware operation is believed to target vulnerabilities in Zyxel firewalls to breach corporate networks, allowing them to steal data and encrypt devices. [...]
The Quad7 botnet is expanding its targeting scope with the addition of new clusters and custom implants that now also target Zyxel VPN appliances and Ruckus wireless routers. [...]
Zyxel has published a security advisory containing guidance on protecting firewall and VPN devices from ongoing attacks and detecting signs of exploitation. [...]
Zyxel is warning customers of two critical-severity vulnerabilities in several of its firewall and VPN products that attackers could leverage without authentication. [...]
The Cybersecurity and Infrastructure Security Agency (CISA) has added two more vulnerabilities to its list of actively exploited bugs, a code injection bug in the Spring Cloud Gateway library and a command injection flaw in Zyxel firmware for business firewalls and VPN devices. [...]
The Cybersecurity and Infrastructure Security Agency (CISA) has added two more vulnerabilities to its list of actively exploited bugs, a code injection bug in the Spring Cloud Gateway library and a command injection flaw in Zyxel firmware for business firewalls and VPN devices. [...]
Hackers have started to exploit a recently patched critical vulnerability, tracked as CVE-2022-30525, that affects Zyxel firewall and VPN devices for businesses. [...]
Network equipment company Zyxel has updated the firmware of several of its business-grade firewall and VPN products to address a critical-severity vulnerability that could give attackers administrator-level access to affected devices. [...]