CVE-2021-33549: UDP Technology/Geutebrück camera devices: Buffer overflow in action parameter leading to RCE

Security readout for executives and security teams

This CVE affects certain Geutebrück and UDP Technology-derived camera and encoder devices. A flaw in an action parameter can corrupt memory and may let an authenticated high-privilege remote attacker run arbitrary code on the device. The business risk is highest where these devices are reachable from untrusted networks or manage sensitive surveillance environments. Exposure is limited to listed Geutebrück E2 Series and Encoder G-Code models and versions, plus related UDP Technology-based devices noted by the sources. Internet-facing or broadly reachable camera management networks raise urgency. High privileges are required, so stolen or shared admin credentials materially change risk. Prioritize remediation for exposed surveillance networks, critical facilities, or devices with shared administrator access. The flaw can lead to device-level compromise, but the high-privilege requirement lowers urgency where management access is tightly controlled and monitored. Mitigation focus: Inventory affected Geutebrück camera and encoder models and firmware versions.; Check CISA and vendor guidance for fixed firmware or approved mitigations.; Restrict device administration access to trusted management networks only..

Prepared

May 24, 2026, 10:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.