CVE-2023-4685 — Delta Electronics' CNCSoft-B version 1

Delta Electronics' CNCSoft-B version 1.0.0.4 and DOPSoft versions 4.0.0.82 and prior are vulnerable to stack-based buffer overflow, which could allow an attacker to execute arbitrary code.

01What is this vulnerability?

Delta Electronics' CNCSoft-B version 1.0.0.4 and DOPSoft versions 4.0.0.82 and prior are vulnerable to stack-based buffer overflow, which could allow an attacker to execute arbitrary code.

02Affected products

Vendor	Product	Versions
Delta Industrial Automation	CNCSoft	B DOPSoft — 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-09-07T17:49:44.667Z
• Last modified: 2024-10-11T21:46:48.108Z

09References

• www.cisa.gov — https://www.cisa.gov/news-events/ics-advisories/icsa-23-157-01