CVE-2021-47818 | THREATINT

Description

DupTerminator 1.4.5639.37199 contains a denial of service vulnerability that allows attackers to crash the application by inputting a long character string in the Excluded text box. Attackers can generate a payload of 8000 repeated characters to trigger the application to stop working on Windows 10.

PUBLISHED Reserved 2026-01-14 | Published 2026-01-16 | Updated 2026-02-02 | Assigner VulnCheck

MEDIUM: 4.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Improper Validation of Specified Quantity in Input

Product status

1.4.5639.37199

affected

Credits

Brian Rodríguez finder

References

www.exploit-db.com/exploits/49917 (ExploitDB-49917) exploit

sourceforge.net/projects/dupterminator/ (DupTerminator Project Homepage) product

www.vulncheck.com/advisories/dupterminator-denial-of-service (VulnCheck Advisory: DupTerminator 1.4.5639.37199 - Denial of Service) third-party-advisory

cve.org (CVE-2021-47818)

nvd.nist.gov (CVE-2021-47818)

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