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CVE-2026-79977 - WireGuard peer endpoint learned from unauthenticated transport-data messages allows off-path tunnel hijack in Zephyr

CVE ID :CVE-2026-79977 Published : Oct. 23, 2026, 7:56 p.m. | 19 minutes ago Description :The WireGuard VPN service in subsys/net/lib/wireguard/wg.c updated the peer endpoint from a message it could not authenticate. In handle_transport_data(), when the 32-bit receiver index of an incoming...

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