CVE-2024-39880: delta electronics cncsoft-g2 Stack-based Buffer Overflow

Vulnerability summary

CVE-2024-39880 is a high (CVSS 8.8) Stack-based Buffer Overflow vulnerability in delta electronics cncsoft-g2. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.9% of scored vulnerabilities.

Timeline

1. 09-07-2024
   PublishedVulnerability first disclosed.
2. 27-08-2025
   Last modifiedVulnerability information updated.

Description

Delta 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 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.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.