CVE-2020-36997
CRITICALBacklinkSpeed 2.4 - Buffer Overflow
Title source: llmDescription
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.
Exploits (1)
exploitdb
WORKING POC
by Saeed reza Zamanian · pythonlocalwindows
https://www.exploit-db.com/exploits/48726
Scores
CVSS v3
9.8
EPSS
0.0004
EPSS Percentile
13.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-121
Status
published
Products (1)
Dummysoftware/BacklinkSpeed
2.4
Published
Jan 29, 2026
Tracked Since
Feb 18, 2026