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Vulnerability Intelligence

CVE-2011-3492

CriticalPublic exploit

Stack-based buffer overflow in Azeotech DAQFactory 5.85 build 1853 and earlier allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a crafted NETB packet to UDP port 20034.

Published Sep 16, 2011 · Updated Apr 28, 2026

Key Facts

Patch immediately
  • CVE-2011-3492 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Daqfactory (Azeotech).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 71% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Daqfactory 5.85.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

71%

Higher than 99.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2011-3492 brief as a PDF

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Description

Stack-based buffer overflow in Azeotech DAQFactory 5.85 build 1853 and earlier allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a crafted NETB packet to UDP port 20034.

Affected Products

51 affected entries in total
ProductAffected versionsFixed in
DaqfactoryAzeotech3.0, 3.03, 3.05, 3.09, 3.10, 3.11, 3.5, 3.515.85

Patched Releases

Daqfactory

5.85

Timeline

  1. Publicly disclosed

    Sep 16, 2011

  2. Last updated

    Apr 28, 2026

Weakness Type

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

3 more references in the full CVE brief

FAQ

Common Questions.

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