Critical severity9.8NVD Advisory· Published Nov 30, 2018· Updated Jun 17, 2026
CVE-2018-7811
CVE-2018-7811
Description
An Unverified Password Change vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 which could allow an unauthenticated remote user to access the change password function of the web server
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- cpe:2.3:o:schneider-electric:modicom_bmxnor0200h_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicom_m340_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicom_premium_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicom_quantum_firmware:*:*:*:*:*:*:*:*
- Schneider Electric SE/Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200v5Range: Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200
Patches
Vulnerability mechanics
References
3- www.tenable.com/security/research/tra-2018-38nvdExploitThird Party Advisory
- www.schneider-electric.com/en/download/document/SEVD-2018-327-01/nvdVendor Advisory
- security.cse.iitk.ac.in/responsible-disclosurenvd
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