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

> Local attackers can exploit a stack buffer overflow in the C++ sample client via a malformed configuration file to gain elevated privileges.

- **Severity:** Medium 6.8 (`AV:L/AC:L/Au:S/C:C/I:C/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 28 Feb 2014
- **Updated:** 24 Sep 2025
- **Also known as:** GHSA-23h3-v846-4gxf

## What is CVE-2014-0774?

CVE-2014-0774 is a medium-severity memory corruption vulnerability in Schneider Electric TLXCDLFOFS33, published on 28 Feb 2014. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official 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.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2014-0774?

It affects 6 products.


Products: Schneider-Electric Ofs Test Client Tlxcdlfofs33, Schneider-Electric Ofs Test Client Tlxcdltofs33, Schneider-Electric Ofs Test Client Tlxcdluofs33, Schneider-Electric Ofs Test Client Tlxcdstofs33, Schneider-Electric Ofs Test Client Tlxcdsuofs33, Schneider-Electric Opc Factory Server.

## How do I fix CVE-2014-0774?

No fix has been published for CVE-2014-0774 yet. Limit exposure of the affected software until one is available.

## Is CVE-2014-0774 being exploited?

There is no known exploitation of CVE-2014-0774 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2014-0774 and fix it if it is affected.

What it is: CVE-2014-0774 is a medium-severity memory corruption vulnerability in Schneider Electric TLXCDLFOFS33, published on 28 Feb 2014. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2014-0774 in the wild and no public exploit code.

Affected product: Schneider Electric TLXCDLFOFS33. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2014-0774/ (Markdown: https://insights.sbomify.com/CVE-2014-0774/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2014-0774
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-0774
- OSV: https://osv.dev/vulnerability/CVE-2014-0774

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From sbomify Insights: https://insights.sbomify.com/CVE-2014-0774/
Summaries are generated and may contain mistakes; the official description above is the record.