Critical severity9.8NVD Advisory· Published Jan 29, 2026· Updated Apr 15, 2026

CVE-2020-36997

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.

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References

www.dummysoftware.comnvd
www.dummysoftware.com/backlinkspeed.htmlnvd
www.exploit-db.com/exploits/48726nvd
www.vulncheck.com/advisories/backlinkspeed-buffer-overflow-poc-sehnvd

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