AzeoTech DAQFactory up to 20.7 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in AzeoTech DAQFactory up to 20.7. The affected element is an unknown function. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2025-66590. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in AzeoTech DAQFactory up to 20.7 and classified as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In AzeoTech DAQFactory release 20.7 (Build 2555), an Out-of-bounds Write vulnerability can be exploited by an attacker to cause the program to write data past the end of an allocated memory buffer. This can lead to arbitrary code execution or a system crash.

The weakness was disclosed by Michael Heinzl as icsa-25-345-03. The advisory is shared at cisa.gov. The identification of this vulnerability is CVE-2025-66590 since 12/04/2025. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/05/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 7.8
CNA Vector (icscert): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/04/2025 CVE reserved
12/11/2025 +7 days Advisory disclosed
12/11/2025 +0 days VulDB entry created
06/05/2026 +175 days VulDB entry last update

Sourcesinfo

Advisory: icsa-25-345-03
Researcher: Michael Heinzl
Status: Not defined

CVE: CVE-2025-66590 (🔒)
GCVE (CVE): GCVE-0-2025-66590
GCVE (VulDB): GCVE-100-335957

Entryinfo

Created: 12/11/2025 23:58
Updated: 06/05/2026 00:10
Changes: 12/11/2025 23:58 (66), 01/03/2026 03:37 (11), 06/05/2026 00:10 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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