CVE-2025-52890: Nftables Arp Spoofing Bypassed Filters

An nftables configuration allows established connections or ARP/NDP packets before applying MAC/IP anti-spoofing filters. This improper network rule order permits an inside attacker to effectively spoof ARP or NDP messages and intercept traffic, bypassing required bridge network isolation features. To repair this issue, ensure MAC address authentication filt

Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0Go
greprules fetch cve-2025-52890-nftables-arp-spoofing-bypassed-filters --engine opengrep

Description

An nftables configuration allows established connections or ARP/NDP packets before applying MAC/IP anti-spoofing filters. This improper network rule order permits an inside attacker to effectively spoof ARP or NDP messages and intercept traffic, bypassing required bridge network isolation features. To repair this issue, ensure MAC address authentication filt