BugZero | Cisco BugID CSCvs91869 - FPR-1000 Series Random Number Generation Error

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BugZero | Cisco BugID CSCvs91869 - FPR-1000 Series Random Number Generation Error

ODD
Cisco
CSCvs91869

Cisco - Defect ID: CSCvs91869

FPR-1000 Series Random Number Generation Error

ODD
Cisco
CSCvs91869

Cisco - Defect ID: CSCvs91869

FPR-1000 Series Random Number Generation Error

Last updated on May 20th, 2026

BugZero Risk Score
9.7 High

Overall: 9.7

Severity: 10.0

Lifecycle: 9.1

Popularity: 6.9

What is the BugZero Risk Score?

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Bug Details

Description

Symptom

On an FPR-1000 series security appliance, various crypto features such as IKEv1, IKEv2, or SSLVPN may fail to function with the following message seen in the syslog: FTD-3-402148: CRYPTO: Random Number Generator error. With the command debug crypto engine 1 enabled, the message "Failed to get entropy from ACT2" may also be observed.

Conditions

FPR-1000 series security appliance running IPsec or SSLVPN.

Workaround

Reload.

Further Problem Description

Change history

2026-05-20 Removed: 9.6.0.128, 9.6.1, 9.6.1.10, 9.6.1.11, 9.6.1.12, 9.6.1.19, 9.6.1.3, 9.6.1.5, 9.6.2, 9.6.2.1, 9.6.2.11, 9.6.2.13, 9.6.2.16, 9.6.2.2, 9.6.2.21, 9.6.2.22, 9.6.2.23, 9.6.2.3, 9.6.2.4, 9.6.2.7, 9.6.3, 9.6.3.1, 9.6.3.11, 9.6.3.12, 9.6.3.14, 9.6.3.17, 9.6.3.20, 9.6.3.23, 9.6.3.24, 9.6.3.3, 9.6.3.8, 9.6.3.9, 9.6.4, 9.6.4.10, 9.6.4.12, 9.6.4.14, 9.6.4.17, 9.6.4.18, 9.6.4.20, 9.6.4.22, 9.6.4.23, 9.6.4.24, 9.6.4.25, 9.6.4.29, 9.6.4.3, 9.6.4.30, 9.6.4.34, 9.6.4.36, 9.6.4.40, 9.6.4.41, 9.6.4.42, 9.6.4.45, 9.6.4.5, 9.6.4.6, 9.6.4.8, 9.7.1, 9.7.1.10, 9.7.1.15, 9.7.1.16, 9.7.1.19, 9.7.1.2, 9.7.1.21, 9.7.1.23, 9.7.1.24, 9.7.1.4, 9.7.1.7, 9.7.1.8

2026-05-20 Removed: 9.6.0.128, 9.6.1, 9.6.1.10, 9.6.1.11, 9.6.1.12, 9.6.1.19, 9.6.1.3, 9.6.1.5, 9.6.2, 9.6.2.1, 9.6.2.11, 9.6.2.13, 9.6.2.16, 9.6.2.2, 9.6.2.21, 9.6.2.22, 9.6.2.23, 9.6.2.3, 9.6.2.4, 9.6.2.7, 9.6.3, 9.6.3.1, 9.6.3.11, 9.6.3.12, 9.6.3.14, 9.6.3.17, 9.6.3.20, 9.6.3.23, 9.6.3.24, 9.6.3.3, 9.6.3.8, 9.6.3.9, 9.6.4, 9.6.4.10, 9.6.4.12, 9.6.4.14, 9.6.4.17, 9.6.4.18, 9.6.4.20, 9.6.4.22, 9.6.4.23, 9.6.4.24, 9.6.4.25, 9.6.4.29, 9.6.4.3, 9.6.4.30, 9.6.4.34, 9.6.4.36, 9.6.4.40, 9.6.4.41, 9.6.4.42, 9.6.4.45, 9.6.4.5, 9.6.4.6, 9.6.4.8, 9.7.1, 9.7.1.10, 9.7.1.15, 9.7.1.16, 9.7.1.19, 9.7.1.2, 9.7.1.21, 9.7.1.23, 9.7.1.24, 9.7.1.4, 9.7.1.7, 9.7.1.8

2026-05-20 Removed: 9.6.0.128, 9.6.1, 9.6.1.10, 9.6.1.11, 9.6.1.12, 9.6.1.19, 9.6.1.3, 9.6.1.5, 9.6.2, 9.6.2.1, 9.6.2.11, 9.6.2.13, 9.6.2.16, 9.6.2.2, 9.6.2.21, 9.6.2.22, 9.6.2.23, 9.6.2.3, 9.6.2.4, 9.6.2.7, 9.6.3, 9.6.3.1, 9.6.3.11, 9.6.3.12, 9.6.3.14, 9.6.3.17, 9.6.3.20, 9.6.3.23, 9.6.3.24, 9.6.3.3, 9.6.3.8, 9.6.3.9, 9.6.4, 9.6.4.10, 9.6.4.12, 9.6.4.14, 9.6.4.17, 9.6.4.18, 9.6.4.20, 9.6.4.22, 9.6.4.23, 9.6.4.24, 9.6.4.25, 9.6.4.29, 9.6.4.3, 9.6.4.30, 9.6.4.34, 9.6.4.36, 9.6.4.40, 9.6.4.41, 9.6.4.42, 9.6.4.45, 9.6.4.5, 9.6.4.6, 9.6.4.8, 9.7.1, 9.7.1.10, 9.7.1.15, 9.7.1.16, 9.7.1.19, 9.7.1.2, 9.7.1.21, 9.7.1.23, 9.7.1.24, 9.7.1.4, 9.7.1.7, 9.7.1.8

2026-05-20 Removed: 9.6.0.128, 9.6.1, 9.6.1.10, 9.6.1.11, 9.6.1.12, 9.6.1.19, 9.6.1.3, 9.6.1.5, 9.6.2, 9.6.2.1, 9.6.2.11, 9.6.2.13, 9.6.2.16, 9.6.2.2, 9.6.2.21, 9.6.2.22, 9.6.2.23, 9.6.2.3, 9.6.2.4, 9.6.2.7, 9.6.3, 9.6.3.1, 9.6.3.11, 9.6.3.12, 9.6.3.14, 9.6.3.17, 9.6.3.20, 9.6.3.23, 9.6.3.24, 9.6.3.3, 9.6.3.8, 9.6.3.9, 9.6.4, 9.6.4.10, 9.6.4.12, 9.6.4.14, 9.6.4.17, 9.6.4.18, 9.6.4.20, 9.6.4.22, 9.6.4.23, 9.6.4.24, 9.6.4.25, 9.6.4.29, 9.6.4.3, 9.6.4.30, 9.6.4.34, 9.6.4.36, 9.6.4.40, 9.6.4.41, 9.6.4.42, 9.6.4.45, 9.6.4.5, 9.6.4.6, 9.6.4.8, 9.7.1, 9.7.1.10, 9.7.1.15, 9.7.1.16, 9.7.1.19, 9.7.1.2, 9.7.1.21, 9.7.1.23, 9.7.1.24, 9.7.1.4, 9.7.1.7, 9.7.1.8

2026-05-20 Removed: 9.6.0.128, 9.6.1, 9.6.1.10, 9.6.1.11, 9.6.1.12, 9.6.1.19, 9.6.1.3, 9.6.1.5, 9.6.2, 9.6.2.1, 9.6.2.11, 9.6.2.13, 9.6.2.16, 9.6.2.2, 9.6.2.21, 9.6.2.22, 9.6.2.23, 9.6.2.3, 9.6.2.4, 9.6.2.7, 9.6.3, 9.6.3.1, 9.6.3.11, 9.6.3.12, 9.6.3.14, 9.6.3.17, 9.6.3.20, 9.6.3.23, 9.6.3.24, 9.6.3.3, 9.6.3.8, 9.6.3.9, 9.6.4, 9.6.4.10, 9.6.4.12, 9.6.4.14, 9.6.4.17, 9.6.4.18, 9.6.4.20, 9.6.4.22, 9.6.4.23, 9.6.4.24, 9.6.4.25, 9.6.4.29, 9.6.4.3, 9.6.4.30, 9.6.4.34, 9.6.4.36, 9.6.4.40, 9.6.4.41, 9.6.4.42, 9.6.4.45, 9.6.4.5, 9.6.4.6, 9.6.4.8, 9.7.1, 9.7.1.10, 9.7.1.15, 9.7.1.16, 9.7.1.19, 9.7.1.2, 9.7.1.21, 9.7.1.23, 9.7.1.24, 9.7.1.4, 9.7.1.7, 9.7.1.8

2024-08-14 Added: 9.10.1, 9.10.1.10, 9.10.1.11, 9.10.1.17, 9.10.1.2, 9.10.1.22, 9.10.1.27, 9.10.1.30, 9.10.1.32, 9.10.1.37, 9.10.1.40, 9.10.1.42, 9.10.1.44, 9.10.1.7, 9.12.1, 9.12.1.2, 9.12.1.3, 9.12.2, 9.12.2.1, 9.12.2.4, 9.12.2.5, 9.12.2.9, 9.12.3, 9.12.3.2, 9.13.1, 9.13.1.2, 9.6.0.128, 9.6.1, 9.6.1.10, 9.6.1.11, 9.6.1.12, 9.6.1.19, 9.6.1.3, 9.6.1.5, 9.6.2, 9.6.2.1, 9.6.2.11, 9.6.2.13, 9.6.2.16, 9.6.2.2, 9.6.2.21, 9.6.2.22, 9.6.2.23, 9.6.2.3, 9.6.2.4, 9.6.2.7, 9.6.3, 9.6.3.1, 9.6.3.11, 9.6.3.12, 9.6.3.14, 9.6.3.17, 9.6.3.20, 9.6.3.23, 9.6.3.24, 9.6.3.3, 9.6.3.8, 9.6.3.9, 9.6.4, 9.6.4.10, 9.6.4.12, 9.6.4.14, 9.6.4.17, 9.6.4.18, 9.6.4.20, 9.6.4.22, 9.6.4.23, 9.6.4.24, 9.6.4.25, 9.6.4.29, 9.6.4.3, 9.6.4.30, 9.6.4.34, 9.6.4.36, 9.6.4.40, 9.6.4.41, 9.6.4.42, 9.6.4.45, 9.6.4.5, 9.6.4.6, 9.6.4.8, 9.7.1, 9.7.1.10, 9.7.1.15, 9.7.1.16, 9.7.1.19, 9.7.1.2, 9.7.1.21, 9.7.1.23, 9.7.1.24, 9.7.1.4, 9.7.1.7, 9.7.1.8, 9.8.1, 9.8.1.5, 9.8.1.7, 9.8.2, 9.8.2.14, 9.8.2.15, 9.8.2.17, 9.8.2.20, 9.8.2.24, 9.8.2.26, 9.8.2.28, 9.8.2.33, 9.8.2.35, 9.8.2.38, 9.8.2.45, 9.8.2.8, 9.8.3, 9.8.3.11, 9.8.3.14, 9.8.3.16, 9.8.3.18, 9.8.3.21, 9.8.3.26, 9.8.3.29, 9.8.3.8, 9.8.4, 9.8.4.10, 9.8.4.12, 9.8.4.15, 9.8.4.17, 9.8.4.20, 9.8.4.22, 9.8.4.25, 9.8.4.26, 9.8.4.29, 9.8.4.3, 9.8.4.32, 9.8.4.33, 9.8.4.34, 9.8.4.35, 9.8.4.39, 9.8.4.40, 9.8.4.41, 9.8.4.43, 9.8.4.44, 9.8.4.45, 9.8.4.46, 9.8.4.7, 9.8.4.8, 9.9.1, 9.9.1.2, 9.9.1.3, 9.9.1.4, 9.9.1.5, 9.9.2, 9.9.2.1, 9.9.2.14, 9.9.2.18, 9.9.2.235, 9.9.2.25, 9.9.2.27, 9.9.2.32, 9.9.2.36, 9.9.2.40, 9.9.2.47, 9.9.2.50, 9.9.2.52, 9.9.2.56, 9.9.2.59, 9.9.2.61, 9.9.2.66, 9.9.2.67, 9.9.2.74, 9.9.2.80, 9.9.2.83, 9.9.2.85, 9.9.2.9

Relevant Products

Click on a version to see all relevant bugs

Affected versions:9.10.1, 9.10.1.10, 9.10.1.11, 9.10.1.17, 9.10.1.2, 9.10.1.22, 9.10.1.27, 9.10.1.30, 9.10.1.32, 9.10.1.37, 9.10.1.40, 9.10.1.42, 9.10.1.44, 9.10.1.7, 9.12.1, 9.12.1.2, 9.12.1.3, 9.12.2, 9.12.2.1, 9.12.2.4, 9.12.2.5, 9.12.2.9, 9.12.3, 9.12.3.2, 9.13.1, 9.13.1.2, 9.8.1, 9.8.1.5, 9.8.1.7, 9.8.2, 9.8.2.14, 9.8.2.15, 9.8.2.17, 9.8.2.20, 9.8.2.24, 9.8.2.26, 9.8.2.28, 9.8.2.33, 9.8.2.35, 9.8.2.38, 9.8.2.45, 9.8.2.8, 9.8.3, 9.8.3.11, 9.8.3.14, 9.8.3.16, 9.8.3.18, 9.8.3.21, 9.8.3.26, 9.8.3.29, 9.8.3.8, 9.8.4, 9.8.4.10, 9.8.4.12, 9.8.4.15, 9.8.4.17, 9.8.4.20, 9.8.4.22, 9.8.4.25, 9.8.4.26, 9.8.4.29, 9.8.4.3, 9.8.4.32, 9.8.4.33, 9.8.4.34, 9.8.4.35, 9.8.4.39, 9.8.4.40, 9.8.4.41, 9.8.4.43, 9.8.4.44, 9.8.4.45, 9.8.4.46, 9.8.4.7, 9.8.4.8, 9.9.1, 9.9.1.2, 9.9.1.3, 9.9.1.4, 9.9.1.5, 9.9.2, 9.9.2.1, 9.9.2.14, 9.9.2.18, 9.9.2.235, 9.9.2.25, 9.9.2.27, 9.9.2.32, 9.9.2.36, 9.9.2.40, 9.9.2.47, 9.9.2.50, 9.9.2.52, 9.9.2.56, 9.9.2.59, 9.9.2.61, 9.9.2.66, 9.9.2.67, 9.9.2.74, 9.9.2.80, 9.9.2.83, 9.9.2.85, 9.9.2.9

Fixed versions: 9.12.3.12, 9.12.3.7, 9.12.3.9, 9.12.4, 9.12.4.10, 9.12.4.13, 9.12.4.18, 9.12.4.2, 9.12.4.24, 9.12.4.26, 9.12.4.29, 9.12.4.30, 9.12.4.35, 9.12.4.37, 9.12.4.38, 9.12.4.39, 9.12.4.4, 9.12.4.40, 9.12.4.41, 9.12.4.47, 9.12.4.48, 9.12.4.50, 9.12.4.52, 9.12.4.54, 9.12.4.55, 9.12.4.7, 9.12.4.8, 9.13.1.10, 9.13.1.12, 9.13.1.13, 9.13.1.16, 9.13.1.19, 9.13.1.21, 9.13.1.7, 9.14.1, 9.14.1.10, 9.14.1.15, 9.14.1.19, 9.14.1.30, 9.14.1.6, 9.14.2, 9.14.2.13, 9.14.2.15, 9.14.2.4, 9.14.2.8, 9.14.3, 9.14.3.1, 9.14.3.11, 9.14.3.13, 9.14.3.15, 9.14.3.18, 9.14.3.9, 9.14.4, 9.14.4.12, 9.14.4.13, 9.14.4.14, 9.14.4.15, 9.14.4.17, 9.14.4.6, 9.14.4.7, 9.15.1, 9.15.1.1, 9.15.1.10, 9.15.1.15, 9.15.1.16, 9.15.1.17, 9.15.1.21, 9.15.1.7, 9.16.1, 9.16.1.28, 9.16.2, 9.16.2.11, 9.16.2.13, 9.16.2.14, 9.16.2.3, 9.16.2.7, 9.16.3, 9.16.3.14, 9.16.3.15, 9.16.3.19, 9.16.3.23, 9.16.3.3, 9.16.4, 9.16.4.9, 9.17.1, 9.17.1.10, 9.17.1.11, 9.17.1.13, 9.17.1.15, 9.17.1.20, 9.17.1.7, 9.17.1.9, 9.18.1, 9.18.1.3, 9.18.2, 9.18.2.5, 9.18.2.7, 9.19.1

Relevant Products

Click on a version to see all relevant bugs

Affected versions:9.10.1, 9.10.1.10, 9.10.1.11, 9.10.1.17, 9.10.1.2, 9.10.1.22, 9.10.1.27, 9.10.1.30, 9.10.1.32, 9.10.1.37, 9.10.1.40, 9.10.1.42, 9.10.1.44, 9.10.1.7, 9.12.1, 9.12.1.2, 9.12.1.3, 9.12.2, 9.12.2.1, 9.12.2.4, 9.12.2.5, 9.12.2.9, 9.12.3, 9.12.3.2, 9.13.1, 9.13.1.2, 9.8.1, 9.8.1.5, 9.8.1.7, 9.8.2, 9.8.2.14, 9.8.2.15, 9.8.2.17, 9.8.2.20, 9.8.2.24, 9.8.2.26, 9.8.2.28, 9.8.2.33, 9.8.2.35, 9.8.2.38, 9.8.2.45, 9.8.2.8, 9.8.3, 9.8.3.11, 9.8.3.14, 9.8.3.16, 9.8.3.18, 9.8.3.21, 9.8.3.26, 9.8.3.29, 9.8.3.8, 9.8.4, 9.8.4.10, 9.8.4.12, 9.8.4.15, 9.8.4.17, 9.8.4.20, 9.8.4.22, 9.8.4.25, 9.8.4.26, 9.8.4.29, 9.8.4.3, 9.8.4.32, 9.8.4.33, 9.8.4.34, 9.8.4.35, 9.8.4.39, 9.8.4.40, 9.8.4.41, 9.8.4.43, 9.8.4.44, 9.8.4.45, 9.8.4.46, 9.8.4.7, 9.8.4.8, 9.9.1, 9.9.1.2, 9.9.1.3, 9.9.1.4, 9.9.1.5, 9.9.2, 9.9.2.1, 9.9.2.14, 9.9.2.18, 9.9.2.235, 9.9.2.25, 9.9.2.27, 9.9.2.32, 9.9.2.36, 9.9.2.40, 9.9.2.47, 9.9.2.50, 9.9.2.52, 9.9.2.56, 9.9.2.59, 9.9.2.61, 9.9.2.66, 9.9.2.67, 9.9.2.74, 9.9.2.80, 9.9.2.83, 9.9.2.85, 9.9.2.9

Fixed versions: 9.12.3.12, 9.12.3.7, 9.12.3.9, 9.12.4, 9.12.4.10, 9.12.4.13, 9.12.4.18, 9.12.4.2, 9.12.4.24, 9.12.4.26, 9.12.4.29, 9.12.4.30, 9.12.4.35, 9.12.4.37, 9.12.4.38, 9.12.4.39, 9.12.4.4, 9.12.4.40, 9.12.4.41, 9.12.4.47, 9.12.4.48, 9.12.4.50, 9.12.4.52, 9.12.4.54, 9.12.4.55, 9.12.4.7, 9.12.4.8, 9.13.1.10, 9.13.1.12, 9.13.1.13, 9.13.1.16, 9.13.1.19, 9.13.1.21, 9.13.1.7, 9.14.1, 9.14.1.10, 9.14.1.15, 9.14.1.19, 9.14.1.30, 9.14.1.6, 9.14.2, 9.14.2.13, 9.14.2.15, 9.14.2.4, 9.14.2.8, 9.14.3, 9.14.3.1, 9.14.3.11, 9.14.3.13, 9.14.3.15, 9.14.3.18, 9.14.3.9, 9.14.4, 9.14.4.12, 9.14.4.13, 9.14.4.14, 9.14.4.15, 9.14.4.17, 9.14.4.6, 9.14.4.7, 9.15.1, 9.15.1.1, 9.15.1.10, 9.15.1.15, 9.15.1.16, 9.15.1.17, 9.15.1.21, 9.15.1.7, 9.16.1, 9.16.1.28, 9.16.2, 9.16.2.11, 9.16.2.13, 9.16.2.14, 9.16.2.3, 9.16.2.7, 9.16.3, 9.16.3.14, 9.16.3.15, 9.16.3.19, 9.16.3.23, 9.16.3.3, 9.16.4, 9.16.4.9, 9.17.1, 9.17.1.10, 9.17.1.11, 9.17.1.13, 9.17.1.15, 9.17.1.20, 9.17.1.7, 9.17.1.9, 9.18.1, 9.18.1.3, 9.18.2, 9.18.2.5, 9.18.2.7, 9.19.1

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