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This advisory is to inform you that we are currently investigating reports of service degradation affecting DNS requests. We understand this may be affecting your operations and we are committed to providing transparent and timely updates as more information becomes available. While we gather more information, we recommend monitoring the progress on this site (https://www.f5cloudstatus.com/) for the latest update. Investigation Status: • We have identified potential service impact at 08:05 AM UTC; • Our incident response team has been fully mobilized; • Initial investigation and impact assessment efforts are underway. Next Steps: • A detailed incident notification will be provided within 30 minutes; • Our teams are working to determine the root cause of the incident; • We will share mitigation steps as soon as they become available. We appreciate your patience as we work to resolve this situation. If you are experiencing a critical business impact, please contact our support team through your established channels. Thank you for your continued support and trust in F5.

The F5 Distributed Cloud team has identified and resolved the DNS-related issues that resulted in availability degradation for some services. Services have been restored, and our engineering teams are closely monitoring system performance to ensure stability. We appreciate your patience during this time. Thank you for your understanding.

The F5 Distributed Cloud team has successfully resolved the DNS-related issues that previously caused availability degradation for some services. All corrective measures have been completed and system stability has been thoroughly verified. All affected F5 DNS services have returned to normal operation, and no further impact has been observed during the monitoring period. We thank you for your patience and understanding throughout this incident. If you continue to experience any residual issues, please reach out to support.

This advisory is to inform you that we are currently investigating reports of service degradation affecting Global WAF Signature Blocking Regression. We understand this may be affecting your operations and we are committed to providing transparent and timely updates as more information becomes available. While we gather more information, we recommend monitoring the progress on this site (https://www.f5cloudstatus.com/) for the latest update. Investigation Status: • We have identified potential service impact at 6:40 PM UTC • Our incident response team has been fully mobilized; • Initial investigation and impact assessment efforts are underway. Next Steps: • A detailed incident notification will be provided within 30 minutes; • Our teams are working to determine the root cause of the incident; • We will share mitigation steps as soon as they become available. We appreciate your patience as we work to resolve this situation. If you are experiencing a critical business impact, please contact our support team through your established channels. Thank you for your continued support and trust in F5.

Impact: We are actively working to resolve an issue causing false-positive security events on our Web Application Firewall (WAF). Please be assured that your applications remain fully protected and security enforcement is active. Our investigation into the issue affecting WAF is ongoing. We are actively working to resolve an issue causing false-positive security events on our Web Application Firewall (WAF). Please be assured that your applications remain fully protected and security enforcement is active. Current investigative actions: Our engineering teams are working to implement a fix at the earliest time possible, and we will share updates here as they progress. We are treating this incident with the highest urgency and will continue to provide updates as more information becomes available. Please monitor our Statuspage (https://www.f5cloudstatus.com/) for live updates. If you are experiencing an impact and requires immediate assistance, please contact our Support team at [email protected] or call the appropriate regional number listed on our website: https://my.f5.com/manage/s/article/K000135931.

The F5 Distributed Cloud team has identified the root cause behind the false positive alerts being triggered on Web Application Firewall (WAF). We are now diligently working on implementing a fix to address the issue. Applications remain protected, and WAF security enforcement continues to operate as expected. We are treating this incident with the highest urgency and will provide further updates as they become available. Please continue to monitor our Statuspage (https://www.f5cloudstatus.com/) for the latest information. If you are experiencing an impact and require immediate assistance, please contact our Support team at [email protected] or call the appropriate regional number listed on our website: https://my.f5.com/manage/s/article/K000135931.

The F5 Distributed Cloud team has successfully deployed the fix across all Regional Edges. The issue causing false-positive security events on the Web Application Firewall (WAF) has been resolved. Applications remained protected throughout the incident, and WAF security enforcement continued to operate as expected. We appreciate your patience and understanding while we worked to resolve this matter. If you continue to experience any issues or have further questions, please don't hesitate to reach out to our support team. If you are experiencing an impact and require immediate assistance, please contact our Support team at [email protected] or call the appropriate regional number listed on our website: https://my.f5.com/manage/s/article/K000135931.

This advisory is to inform you that we are currently investigating reports of service degradation affecting DNS services We understand this may be affecting your operations and we are committed to providing transparent and timely updates as more information becomes available. While we gather more information, we recommend monitoring the progress on this site (https://www.f5cloudstatus.com/) for the latest update. Investigation Status: • We have identified potential service impact at 10:50 UTC; • Our incident response team has been fully mobilized; • Initial investigation and impact assessment efforts are underway. Next Steps: • A detailed incident notification will be provided within 30 minutes; • Our teams are working to determine the root cause of the incident; • We will share mitigation steps as soon as they become available. We appreciate your patience as we work to resolve this situation. If you are experiencing a critical business impact, please contact our support team through your established channels. Thank you for your continued support and trust in F5.

The F5 Distributed Cloud team is actively investigating a managed DNS service issue affecting certain Load Balancer configurations. No further customer impact is currently being observed for configurations utilizing Internet (Specified VIP) and Virtual Site (Specified VIP). Our engineering team is proactively analyzing the environment to isolate the cause and ensure ongoing system stability. Thank you for your patience.

The F5 Distributed Cloud team has identified the cause of the managed DNS service issue. The issue was caused by a change to the DNS configuration introduced with the Distributed Cloud 8.0 release. Our Engineering teams are actively monitoring the environment, and no further customer impact is currently being observed. We will share further updates as more information becomes available.Thank you for your patience.

The F5 Distributed Cloud team continues working on the hotfix for the issue caused by a DNS configuration change. Our Engineering teams are actively working to fully recover the DNS service. We will share further updates as more information becomes available.

The F5 Distributed Cloud team is now testing and validating the hotfix for the issue caused by a DNS configuration change, to ensure system stability. We will share further updates as more information becomes available.

The F5 Distributed Cloud team has successfully deployed the hotfix addressing the managed DNS service issue. DNS services have been restored to normal operation. Our engineering teams are continuously monitoring telemetry and service health to ensure sustained stability. Thank you for your patience and understanding while we worked to resolve this issue. Sincerely, F5 Distributed Cloud

This advisory is to inform you that we are currently investigating reports of service degradation affecting CE upgrade. We understand this may be affecting your operations and we are committed to providing transparent and timely updates as more information becomes available. While we gather more information, we recommend monitoring the progress on this site (https://www.f5cloudstatus.com/) for the latest update. Investigation Status: • We have identified potential service impact at 09/12/2026, 14:24 UTC; • Our incident response team has been fully mobilized; • Initial investigation and impact assessment efforts are underway. Next Steps: • A detailed incident notification will be provided within 30 minutes; • Our teams are working to determine the root cause of the incident; • We will share mitigation steps as soon as they become available. We appreciate your patience as we work to resolve this situation. If you are experiencing a critical business impact, please contact our support team through your established channels. Thank you for your continued support and trust in F5.

The F5 Distributed Cloud team is currently investigating an issue where upgrades of Customer Edge (CE) sites to version crt-20260801-0205 are failing. Existing services remain operational, but customers attempting to upgrade to this version may experience deployment failures. We are actively working to identify the root cause and will provide further updates as more information becomes available.

The F5 Distributed Cloud team has identified the cause of an issue affecting upgrades of Customer Edge (CE) sites to version crt-20260801-0205. Existing services and customer traffic remain unaffected. Our teams are actively working to implement a fix and restore normal upgrade operations. We will continue to share updates as progress is made and more information becomes available. Thank you for your patience and understanding while we work to resolve this issue.

The issue affecting upgrades of Customer Edge (CE) sites to latest software version available has been resolved. Upgrade operations have returned to normal, and customers should now be able to successfully upgrade to the latest version. Throughout this event, existing services and customer traffic remained unaffected. Thank you for your patience and understanding while we worked to resolve this issue.

This advisory is to inform you that we are currently investigating reports of service degradation affecting tenant logins. We understand this may be affecting your operations and we are committed to providing transparent and timely updates as more information becomes available. While we gather more information, we recommend monitoring the progress on this site (https://www.f5cloudstatus.com/) for the latest update. Investigation Status: • We have identified potential service impact at 05:01 AM UTC; • Our incident response team has been fully mobilized; • Initial investigation and impact assessment efforts are underway. Next Steps: • A detailed incident notification will be provided within 30 minutes; • Our teams are working to determine the root cause of the incident; • We will share mitigation steps as soon as they become available. We appreciate your patience as we work to resolve this situation. If you are experiencing a critical business impact, please contact our support team through your established channels. Thank you for your continued support and trust in F5.

The F5 Distributed Cloud team is investigating an issue causing tenant login failures on the Distributed Cloud console. We are actively working to implement corrective measures and restore full functionality as quickly as possible. We appreciate your patience and understanding during this time. If you have any questions or concerns, please do not hesitate to contact us through established support channels.

The F5 Distributed Cloud team is pleased to inform you that login functionality for the Distributed Cloud console has been restored. Our teams are actively monitoring the environment to ensure ongoing stability. We appreciate your patience and understanding throughout this time. Should you have any further questions or require assistance, please don't hesitate to reach out to us through regular support channels.

The F5 Distributed Cloud team is pleased to inform you that the issue affecting tenant logins on the Distributed Cloud console has been resolved, and login functionality has been fully restored. All services are now operating as expected. We sincerely appreciate your patience and understanding while we worked to resolve this issue. If you have any further questions or need assistance, please feel free to contact us through established support channels.