#VU104199 Heap-based buffer overflow in CNCSoft-G2 - CVE-2025-22880

Vulnerability identifier: #VU104199

Vulnerability risk: High

CVSSv4.0: 5.7 [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:U/U:Amber]

CVE-ID: CVE-2025-22880

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CNCSoft-G2
Server applications / SCADA systems

Vendor: Delta Electronics, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the parsing of DPAX files. A remote attacker can trick a victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CNCSoft-G2: 2.1.0.10

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External links
https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00002_CNCSoft-G2%20-%20Heap-based%20Buffer%20Overflow_v1.pdf
https://www.zerodayinitiative.com/advisories/ZDI-25-098/
https://www.cisa.gov/news-events/ics-advisories/icsa-24-191-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.