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Critical OpenWrt DHCPv6 Flaw Could Let Unauthenticated Attackers Run Code as Root
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Critical OpenWrt DHCPv6 Flaw Could Let Unauthenticated Attackers Run Code as Root


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OpenWrt has shipped version 24.10.8 to close a critical DHCPv6 stack overflow and a wider set of remotely triggerable flaws in network services enabled by default.The critical issue, tracked as CVE-2026-53921 and rated 9.8 on CVSS 3.1 in OpenWrt’s GitHub advisory, lets an unauthenticated attacker able to reach the DHCPv6 server overwrite a stack buffer in odhcpd through a crafted DHCPv6

First seen on thehackernews.com

Jump to article: thehackernews.com/2026/07/critical-openwrt-dhcpv6-flaw-could-let.html

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