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CVE-2020-26147 is a Wi-Fi fragmentation handling flaw affecting Linux kernel 5.8.9 and other 802.11 implementations. The vulnerability arises because WEP, WPA, WPA2, and WPA3 implementations may reassemble fragmented frames even when some fragments were transmitted in plaintext instead of all fragments being consistently protected. In affected implementations, this improper acceptance and reassembly of mixed encrypted and plaintext fragments breaks the expected integrity/confidentiality assumptions of protected Wi-Fi traffic. The issue is described as 'Reassembling mixed encrypted/plaintext fragments' and is part of the broader FragAttacks class of 802.11 fragmentation and aggregation weaknesses.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.