TI-2014-00733 Aliases CVE-2014-0789 GHSA-qqfp-jq79-xh4v

Schneider Electric OPC Factory Server Buffer Overflow

LOW 39CWE-122Published 2014-04-04 · Updated 2025-09-25

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02471 84th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Schneider Electric	OPC Factory Server (OFS)	up to TLXCDSUOFS33 – V3.5; up to TLXCDSTOFS33 – V3.5; up to TLXCDLUOFS33 – V3.5; up to TLXCDLTOFS33 – V3.5; up to TLXCDLFOFS33 – V3.5	—	No fix listed	CNA

OPC Factory Server (OFS) VendorSchneider Electric Affected up to TLXCDSUOFS33 – V3.5; up to TLXCDSTOFS33 – V3.5; up to TLXCDLUOFS33 – V3.5; up to TLXCDLTOFS33 – V3.5; up to TLXCDLFOFS33 – V3.5 Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdlfofs::::::::	up to 3.35	Vulnerable	Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdltofs::::::::	up to 3.35	Vulnerable	Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdluofs::::::::	up to 3.35	Vulnerable	Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdstofs::::::::	up to 3.35	Vulnerable	Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdsuofs::::::::	up to 3.35	Vulnerable	Schneider Electric

cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdlfofs:*:*:*:*:*:*:*:* Versions up to 3.35 Vulnerable ·Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdltofs:*:*:*:*:*:*:*:* Versions up to 3.35 Vulnerable ·Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdluofs:*:*:*:*:*:*:*:* Versions up to 3.35 Vulnerable ·Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdstofs:*:*:*:*:*:*:*:* Versions up to 3.35 Vulnerable ·Schneider Electric
cpe:2.3:h:schneider-electric:opc_factory_server_tlxcdsuofs:*:*:*:*:*:*:*:* Versions up to 3.35 Vulnerable ·Schneider Electric

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2014-0789
2026-10-03 Alias added: GHSA-qqfp-jq79-xh4v

References

Advisory 1

http://www.schneider-electric.com/corporate/en/support/cybersecurity/viewer-news.page?c_filepath=/templatedata/Content/News/data/en/local/cybersecurity/general_information/2014/03/20140325_vulnerability_disclosure_opc_factory_server.xml

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences