High severity · published Mar 4, 2026
CVE-2026-3094
File Parsing Out-Of-Bounds Write in CNCSoft-G2
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
Delta Electronics CNCSoft-G2 lacks proper validation of the user-supplied file. If a user opens a malicious file, an attacker can leverage this vulnerability to execute code in the context of the current process.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CN
CNCSoft-G2 · deltaww
before 2.1.0.39 · source: vendor, NVD
In the news
VulnerabilityHigh
ZDI-26-151: Delta Electronics CNCSoft-G2 DPAX File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Electronics CNCSoft-G2. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-3094.
Mar 6, 2026·Zero Day Initiative
VulnerabilityHigh
Delta Electronics CNCSoft-G2
View CSAF
Summary
Successful exploitation of this vulnerability could result in an attacker achieving remote code execution on the device.
The following versions of Delta Electronics CNCSoft-G2 are affected:
CNCSoft-G2
CVSS
Vendor
Equipment
Vulnerabilities
v3 7.8
Delta Electronics
Delta Electronics CNCSoft-G2
Out-of-bounds Write
Background
Critical Infrastructure Sectors: Critical Manufacturing
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Taiwan
Vulnerabilities
Expand All +
CVE-2026-3094
Delta Electronics CNCSoft-G2 devices prior to version V2.1.0.39 are vulnerable to an Out-of-Bounds Write while parsing DPAX files in the DOPSoft component.
View CVE Details
Affected Products
Delta Electronics CNCSoft-G2
Vendor: Delta Electronics
Product Version: Delta Electronics CNCSoft-G2: <V2.1.0.39
Product Status: known_affected
Remediations
Mitigation Delta Electronics recommends users update to Version 2.1.0.39, which has resolved this vulnerability. The update can be obtained from the Delta Electronics download center at https://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&q=cncsoft&sort_expr=cdate&sort_dir=DESC.
Mitigation For more information, see the associated Delta Electronics security advisory Delta-PCSA-2026-00004 which can be downloaded in PDF format here: https://filecenter.deltaww.com/news/download/doc/...
Mar 5, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3094
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3094
Vendor Advisory
https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00004_CNCSoft-G2_File%20Parsing%20Out-Of-Bounds%20Write.pdf
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