Critical

Hackers exploit Cisco SD-WAN flaw to deploy custom KeyDrift malware

BleepingComputer

October 29, 2026 at 6:38 PM

Actively Exploited

CVE Cisco Exploit Vulnerability APT Malware

Overview

A new advanced persistent threat group, identified as UAT-11473, has been exploiting a serious authentication-bypass vulnerability (CVE-2026-20127) in Cisco Catalyst SD-WAN Controllers. This flaw allows attackers to bypass authentication mechanisms and deploy a custom malware framework known as KeyDrift. Organizations using Cisco's SD-WAN technology may be at risk, as this could lead to unauthorized access and potential data breaches. The situation is concerning because it highlights the vulnerabilities in widely used network management systems and the increasing sophistication of cyber threats. Companies should prioritize patching their systems to mitigate this risk and protect sensitive information.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Cisco Catalyst SD-WAN Controllers
Action Required: Organizations should apply security patches provided by Cisco for the CVE-2026-20127 vulnerability.
Timeline: Newly disclosed

Original Article Summary

A newly identified advanced persistent threat (APT) group tracked as UAT-11473 was observed exploiting CVE-2026-20127, an authentication-bypass flaw in Cisco Catalyst SD-WAN Controllers, to deploy a custom malware framework called KeyDrift. [...]

Impact

Cisco Catalyst SD-WAN Controllers

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Organizations should apply security patches provided by Cisco for the CVE-2026-20127 vulnerability. Regularly updating systems and monitoring for unauthorized access can also help mitigate risks associated with this flaw.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Cisco, Exploit, and 3 more.

Read Original Article

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