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CVE-2026-13722

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.

Weakness

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.

Affected products

  • watchguard fireware
  • watchguard firebox_m295
  • watchguard firebox_m395
  • watchguard firebox_m495
  • watchguard firebox_m595
  • watchguard firebox_m695
  • watchguard firebox_t115-w
  • watchguard firebox_t125

References

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