Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.
CVE-2014-0789 is a security vulnerability that . Impacting 5 products from schneider-electric, from schneider-electric, from schneider-electric and 2 others, organizations running these solutions should prioritize assessment and patching.
Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.
2014-04-04T15:09:45.917
2026-06-17T00:03:38.537
Modified
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Hardware | schneider-electric | opc_factory_server_tlxcdlfofs | ≤ 3.35 | Yes |
| Hardware | schneider-electric | opc_factory_server_tlxcdltofs | ≤ 3.35 | Yes |
| Hardware | schneider-electric | opc_factory_server_tlxcdluofs | ≤ 3.35 | Yes |
| Hardware | schneider-electric | opc_factory_server_tlxcdstofs | ≤ 3.35 | Yes |
| Hardware | schneider-electric | opc_factory_server_tlxcdsuofs | ≤ 3.35 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.