CVE-2021-33549
UDP Technology/Geutebrück camera devices: Buffer overflow in action parameter leading to RCE
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
UDP Technology/Geutebrück camera devices: Buffer overflow in action parameter leading to RCE
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
- Record
CVE-2021-33549- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2021-20241
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
- Record
EUVD-2021-20241- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w6hr-fq55-vx95
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a...
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
- Record
GHSA-w6hr-fq55-vx95- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
- Record
CVE-2021-33549- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
- geutebrueck g-cam ebc-2110 firmware
- geutebrueck g-cam ebc-2111 firmware
- geutebrueck g-cam ebc-2112 firmware
- geutebrueck g-cam efd-2241 firmware
- geutebrueck g-cam efd-2250 firmware
- geutebrueck g-cam efd-2251 firmware
- geutebrueck g-cam ethc-2230 firmware
- geutebrueck g-cam ethc-2239 firmware
- geutebrueck g-cam ethc-2240 firmware
- geutebrueck g-cam ethc-2249 firmware
- geutebrueck g-cam ewpc-2270 firmware
- geutebrueck g-cam ewpc-2271 firmware
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Geutebruck instantrec Remote Command Execution | 2021-07-08 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33549 is a high vulnerability (CVSS 7.2) in Geutebrueck G-cam Ebc-2110 Firmware, published September 13, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 67.3%, the 99th percentile. No source names a fixed version.