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Servers and applications

CVE-2026-103594

Fireware OS Stack Buffer Overflow in WireGuard Configuration Allows Remote Code Execution

Severity
Critical 9.5
Published
27 Oct 2026
Last changed
27 Oct 2026
Added to UpHeron
3 Nov 2026
Fixed in
12.12.4, 2026.4
Sources
CVE Program

Affected software

SoftwareAffected versions
WatchGuard Fireware OSServers and applications · cna:watchguard|fireware os
  • From 12.12 before 12.12.4
  • From 2026.2 before 2026.4

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-103594