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Description

Textpad 8.1.2 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long buffer string through the Run command interface. Attackers can paste a 5000-byte payload into the Command field via Tools > Run to trigger a buffer overflow that crashes the application.

PUBLISHED Reserved 2026-04-22 | Published 2026-04-22 | Updated 2026-04-22 | Assigner VulnCheck




MEDIUM: 6.9CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
MEDIUM: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Out-of-bounds Write

Product status

8.1.2
affected

Credits

Gionathan "John" Reale finder

References

www.exploit-db.com/exploits/45956 (ExploitDB-45956) exploit

textpad.com (Official Product Homepage) product

www.textpad.com/download/v81/win32/txpeng812-32.zip (Product Reference) product

www.vulncheck.com/...xtpad-denial-of-service-via-run-command (VulnCheck Advisory: Textpad 8.1.2 Denial of Service via Run Command) third-party-advisory

cve.org (CVE-2018-25271)

nvd.nist.gov (CVE-2018-25271)

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