CVE-2018-3991

An exploitable heap overflow vulnerability exists in the WkbProgramLow function of WibuKey Network server management, version 6.40.2402.500. A specially crafted TCP packet can cause a heap overflow, potentially leading to remote code execution. An attacker can send a malformed TCP packet to trigger this vulnerability.

• CWE-787

• http://www.securityfocus.com/bid/107005Third Party Advisory, VDB Entry
• https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdfMitigation, Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdfThird Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659Exploit, Third Party Advisory
• http://www.securityfocus.com/bid/107005Third Party Advisory, VDB Entry
• https://cert-portal.siemens.com/productcert/pdf/ssa-760124.pdfMitigation, Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-844562.pdfThird Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-902727.pdf
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0659Exploit, Third Party Advisory

Published

Feb 5, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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