CVE-2021-33552
Published: April 11, 2026
Official Description
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to command injection, which may allow an attacker to remotely execute arbitrary code.
Risk Analysis
Multiple camera devices from vendors like UDP Technology and Geutebrück are vulnerable to command injection, which can lead to remote arbitrary code execution. As this CVE is in CISA's KEV catalog, it is actively exploited and represents a significant security risk.
This vulnerability is actively exploited in the wild. Attackers can remotely execute arbitrary code on affected camera devices.
It is imperative to apply any available firmware updates from UDP Technology, Geutebrück, or other relevant camera vendors. Network segmentation and strict access controls are also recommended to reduce exposure.
Technical Analysis
CVE-2021-33552 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2021-33552 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-33552 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1