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

published 2011-09-16 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3455

cvss: 10.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 70.9%; EPSS 70.9% chance of exploitation in 30 days, percentile 99.4%
public exploits: 3; Metasploit, Exploit-DB

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-11-264-01 updated 2025-06-05 cvss 10.0

AzeoTech DAQFactory Stack Overflow

AzeoTech DAQFactory 5.85
affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

2011-09-13 First public exploit (Metasploit exploit/windows/scada/daq_factory_bof)
2011-09-16 Published

Exploit prediction

70.91% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Metasploit exploit/windows/scada/daq_factory_bof DaqFactory HMI NETB Request Overflow metasploit exploit, good rank, 2011-09-13
EDB-17855 DaqFactory - HMI NETB Request Overflow (Metasploit) remote, 2011-09-18
EDB-17841 DaqFactory 5.85 build 1853 - Stack Overflow dos, 2011-09-14
aluigi.altervista.org http://aluigi.altervista.org/adv/daqfactory_1-adv.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

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

References

exploit-db.com /exploits/17855
exploit
aluigi.altervista.org /adv/daqfactory_1-adv.txt
exploit
exchange.xforce.ibmcloud.com /vulnerabilities/69764
vdb-entry
us-cert.gov /control_systems/pdf/ICS-ALERT-11-256-02.pdf
us-government-resource
osvdb.org /75496
vdb-entry

Sources

CVE List CVE-2011-3492
NVD CVE-2011-3492

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary