Critical OpenWrt DHCPv6 Flaw CVE-2026-53921 Allows Unauthenticated Remote Code Execution as Root
OpenWrt has released versions 24.10.8 and 25.12.5 to patch a critical DHCPv6 stack overflow vulnerability, CVE-2026-53921, rated 9.8 on CVSS 3.1. The…
Tag: odhcpd
CVE-2026-53921: Critical OpenWrt DHCPv6 Stack Overflow
CVE-2026-53921 is a critical stack overflow vulnerability in OpenWrt's odhcpd DHCPv6 server, rated 9.8 CVSS 3.1. An unauthenticated attacker can send a…
odhcpd: OpenWrt DHCP/DHCPv6 Server
odhcpd is the DHCP and DHCPv6 server daemon used in OpenWrt. It runs as root and is affected by CVE-2026-53921, a critical…