VULNERABILITY INTELLIGENCE
CVE-2018-3991
CVSS score10 CRITICAL
EPSS probability34.33%
CISA KEVNot currently listed
Published2019-02-05
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Description
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.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- talos-cna@cisco.com — Third Party Advisory, VDB Entry
- talos-cna@cisco.com — Mitigation, Third Party Advisory
- talos-cna@cisco.com — Third Party Advisory
- talos-cna@cisco.com
- talos-cna@cisco.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory