DHCP
D-Link warns of max severity zero-day bug in DIR-822A routers
D-Link warned customers of a maximum-severity vulnerability (CVE-2026-86296) with public proof-of-concept (PoC) exploit code and no patch, affecting legacy DIR-822A dual-band Wi-Fi routers. This security flaw stems from a stack-based buffer overflow and improper data handling in the DHCP server component and can be exploited without authentication or user interaction. Attackers without valid credentials on […]
Microsoft: June Windows Server security updates cause DHCP issues
Microsoft acknowledged a new issue caused by the June 2025 security updates, causing the DHCP service to freeze on some Windows Server systems. On Windows Server systems, the Dynamic Host Configuration Protocol (DHCP) Server service automates assigning IP addresses and other network configurations, reducing network administration and ensuring reliable IP address configuration in Windows networks. […]