VULNERABILITY INTELLIGENCE
CVE-2020-36997
CVSS score9.8 CRITICAL
EPSS probability0.41%
CISA KEVNot currently listed
Published2026-01-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
BacklinkSpeed 2.4 contains a buffer overflow vulnerability that allows attackers to corrupt the Structured Exception Handler (SEH) chain through malicious file import. Attackers can craft a specially designed payload file to overwrite SEH addresses, potentially executing arbitrary code and gaining control of the application.
Weakness classification
- disclosure@vulncheck.com: CWE-121