Saad Naja

The US Cybersecurity and Infrastructure Security Agency (CISA) warned on Tuesday that hackers are now exploiting a high-severity Cisco BroadWorks vulnerability in attacks. Cisco BroadWorks is a cloud unified communications (UC) software platform and the underlying engine allowing telecom carriers and managed service providers (MSPs) to provide branded cloud PBX, voice, and collaboration services to business customers. Tracked as CVE-2026-20320, the security flaw stems from an improper restriction of XML External Entity (XXE) reference weakness in the Open Client Interface

Zyxel has patched a zero-day vulnerability in its GS1900 series network switches that hackers exploited to compromise nearly 1,000 devices worldwide and steal configuration files and credentials. The vulnerability, tracked as CVE-2026-107441, is an out-of-bounds write flaw in the switches' web management interface that allows an unauthenticated attacker with network access to execute operating system commands using specially crafted HTTP requests. The flaw affects ten GS1900 switch models, and Zyxel released security updates on October 22 and published a security