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Vulnerability record · CVE-2025-22881 · published 26 February 2025

CVE-2025-22881: Deltaww cncsoft-g2 heap-based buffer overflow vulnerability

Deltaww · Cncsoft G2

Delta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.

8.4 CVSS 4.0 High EPSS 0.27% · top 82.2% CWE-122 · Heap-based buffer overflow
8.4CVSS 4.0 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Delta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. If a target visits a malicious page or opens a malicious file an attacker can leverage this vulnerability to execute code in the context of the current process.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00003_CNCSoft-G2%20-%20Heap-based%20Buffer%20Overflow_v Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2024-47962Deltaww cncsoft-g2 stack-based buffer overflow vulnerabilityDelta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An…EPSS 3.4%8.4CVE-2024-47963Deltaww cncsoft-g2 out-of-bounds write vulnerabilityDelta Electronics CNCSoft-G2 lacks proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attac…EPSS 0.28%8.4CVE-2024-47964Deltaww cncsoft-g2 heap-based buffer overflow vulnerabilityDelta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An …EPSS 0.27%8.4CVE-2024-47965Deltaww cncsoft-g2 out-of-bounds read vulnerabilityDelta Electronics CNCSoft-G2 lacks proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attack…EPSS 0.24%8.4CVE-2024-47966Deltaww cncsoft-g2 use of uninitialized resource vulnerabilityDelta Electronics CNCSoft-G2 lacks proper initialization of memory prior to accessing it. An attacker can manipulate users to visit a malicious page …EPSS 0.25%8.4CVE-2024-39882Deltaww cncsoft-g2 out-of-bounds read vulnerabilityDelta Electronics CNCSoft-G2 lacks proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. If a targ…EPSS 0.70%8.4CVE-2024-39883Deltaww cncsoft-g2 heap-based buffer overflow vulnerabilityDelta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. If …EPSS 0.74%8.4CVE-2024-39880Deltaww cncsoft-g2 stack-based buffer overflow vulnerabilityDelta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. If…EPSS 0.74%

Source: NIST National Vulnerability Database (record CVE-2025-22881), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.