CVE-2020-36997 - CVE House
Back to Database
Status published High CVE-2020-36997

BacklinkSpeed 2.4 - Buffer Overflow PoC (SEH)

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-36997

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Saeed reza Zamanian

Affected Vendor

Dummysoftware

View all reports →

Affected Software

BacklinkSpeed
Vulnerable Versions:
2.4

Timeline

Official Publish: January 29th, 2026
Last Modified: May 12th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)