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CVE-2011-3492· NVD / CVE Program· CNA mitre

Stack-based buffer overflow in Azeotech DAQFactory 5.85 build 1853 and earlier allows remote attackers to cause a denial of service (crash)

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.

CriticalCVSS 10.0 · v2.0—Weaponized No fix recorded
Published
Sep 16, 2011
Updated
Jun 16, 2026
EPSS
70.9% · 99th percentile
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Action score

61

This week

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CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
21 / 30 · 70.9%

Affected systems

VendorProduct
azeotechdaqfactory

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • azeotech daqfactoryup to 5.85 inclusive
  • azeotech daqfactory3.0
  • azeotech daqfactory3.03
  • azeotech daqfactory3.05
  • azeotech daqfactory3.09
  • azeotech daqfactory3.10
  • azeotech daqfactory3.11
  • azeotech daqfactory3.5
  • azeotech daqfactory3.51
  • azeotech daqfactory3.52
  • azeotech daqfactory3.53
  • azeotech daqfactory3.55
  • azeotech daqfactory4.00
  • azeotech daqfactory4.10
  • azeotech daqfactory4.11
  • azeotech daqfactory5.0
  • azeotech daqfactory5.01
  • azeotech daqfactory5.02
  • azeotech daqfactory5.03
  • azeotech daqfactory5.04

Same product

azeotech: all records

Other highest-scoring records for the same primary product.

  • CVE-2009-4480Buffer overflow in the web service in AzeoTech DAQFactory 5.77 might allow remote attackers to execute arbitrary code via unspecified vector
    38Monitor
  • CVE-2026-12921Use after free in AzeoTech DAQFactory
    33Monitor
  • CVE-2026-12390Access of resource using incompatible type ('type confusion') in AzeoTech DAQFactory
    33Monitor
  • CVE-2025-66590Out-of-bounds Write vulnerability in AzeoTech DAQFactory
    33Monitor
  • CVE-2025-66589Out-of-bounds Read vulnerability in AzeoTech DAQFactory
    33Monitor
  • CVE-2025-66588Access of Uninitialized Pointer vulnerability in AzeoTech DAQFactory
    33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrydos2011-09-14
Exploit-DB entryremote2011-09-18
Metasploit moduleexploit/windows/scada/daq_factory_bofDaqFactory HMI NETB Request Overflowexploit2011-09-13

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-3 d
  2. First PoC-2 d
  3. Published
  4. TodaySep 30, 2026+5493 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
C · data can be read
Integrity
C · data or configuration can be modified
Availability
C · the service can be disrupted
Attack complexity
Low
Confidentiality impact
C
Integrity impact
C
Availability impact
C

Weakness class (CWE)

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

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records