CyberSecBulletin
CVE-2025-66588NVD status: Modified

DAQFactory: Access of Uninitialized Pointer

CVE-2025-66588 is a critical-severity access of uninitialized pointer vulnerability in DAQFactory from AzeoTech, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected DAQFactory versions: Release 20.7 (Build 2555) and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.32% chance of exploitation within 30 days, which is low compared with other CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Check which version of DAQFactory you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
AzeoTechDAQFactoryRelease 20.7 (Build 2555) and earlierNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 4.08.4HighCNA (hq.dhs.gov)
CVSS 3.17.8HighCNA (hq.dhs.gov)
CVSS 3.19.8CriticalNVD

Official description

In AzeoTech DAQFactory release 20.7 (Build 2555), an access of uninitialized pointer vulnerability can be exploited by an attacker which can lead to arbitrary code execution.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

More Access of Uninitialized Pointer vulnerabilities (CWE-824)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Third-party and government advisories

Other vulnerabilities in DAQFactory

All DAQFactory vulnerabilities

Recent Access of Uninitialized Pointer vulnerabilities

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