<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Patchfirst: Arcadyan vulnerabilities</title><link>https://patchfirst.co/vendor/arcadyan/</link><atom:link href="https://patchfirst.co/feed/vendor/arcadyan.xml" rel="self" type="application/rss+xml"/><description>New and newly exploited Arcadyan CVEs, with CISA KEV, EPSS and ATT&amp;CK context. Newest 50 by publication or KEV listing.</description><language>en-gb</language><ttl>360</ttl><lastBuildDate>Sat, 31 Oct 2026 05:11:25 GMT</lastBuildDate><item><title>[KEV] CVE-2021-20090: Arcadyan Buffalo Firmware Path Traversal Vulnerability</title><link>https://patchfirst.co/cve/CVE-2021-20090/</link><guid isPermaLink="false">CVE-2021-20090#kev</guid><pubDate>Wed, 03 Nov 2021 00:00:00 GMT</pubDate><description>Arcadyan · Buffalo Firmware. In CISA KEV since 2021-11-03. ENISA EUVD lists it as exploited. EPSS &gt;99.9% (higher than 99.98% of CVEs). CVSS 9.8 CRITICAL. Public exploit code exists. ATT&amp;CK: T1190 Exploit Public-Facing Application; T1078 Valid Accounts. Named in 1 threat report. Priority 73.7 of 100.</description><category>kev</category><category>public-exploit</category><category>T1190</category><category>T1078</category></item></channel></rss>