FO
Product
Fabric Operating System
by Broadcom · last CVE Oct 8, 2026
On CISA KEVExploited in the wild
146
CVEs
2
On KEV
9.8
Max CVSS
43
New 30D
Severity mix
Critical 11High 68Medium 60Low 6
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-22555
In wildKEV
7.8
79%
Jul 7
Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
Affected: All versions, or not specified
CVE-2025-1976
In wildKEV
6.7
1%
Apr 24
Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6
Affected: 9.1.0 before 9.1.1d7
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