HOMEVULNERABILITIESCVE-2021-33546
HIGH

CVE-2021-33546

CWE-121Published: September 13, 2021· Updated: Jun 17, 2026

7.2
CVSS v3.1

Official Description

Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the name parameter, which may allow an attacker to remotely execute arbitrary code.

NVD Source

Technical Analysis

CVE-2021-33546 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

geutebrueck32 product(s)
g-cam ebc-2110 firmwareg-cam ebc-2110g-cam ebc-2111 firmwareg-cam ebc-2111g-cam efd-2241 firmwareg-cam efd-2241g-cam efd-2250 firmwareg-cam efd-2250g-cam ethc-2230 firmwareg-cam ethc-2230g-cam ethc-2239 firmwareg-cam ethc-2239+20
Source: NVD CPE · 64 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

https://us-cert.cisa.gov/ics/advisories/icsa-21-208-03Third Party Advisory · US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-208-03Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2021-33546
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-121
CISA KEVNo
Affected1 vendor(s)
PublishedSep 13, 2021

Related CVEs (CWE-121)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-33546 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.