CVE-2018-25271

MEDIUM

Textpad 8.1.2 Denial of Service via Run Command

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25271. PoCs published by Gionathan Reale.

AI-analyzed exploit summary This Python script generates a 5000-byte buffer of 'A' characters and writes it to a file named 'exploit.txt'. When the content of this file is pasted into Textpad's 'Run' command field, it triggers a denial-of-service (DoS) condition, causing the application to crash.

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.

Exploits (1)

exploitdb WORKING POC
by Gionathan Reale · pythondoswindows_x86
https://www.exploit-db.com/exploits/45956

This Python script generates a 5000-byte buffer of 'A' characters and writes it to a file named 'exploit.txt'. When the content of this file is pasted into Textpad's 'Run' command field, it triggers a denial-of-service (DoS) condition, causing the application to crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Textpad 8.1.2
No auth needed
Prerequisites: Textpad 8.1.2 installed on Windows 7 32-bit · ability to execute the script and interact with Textpad's GUI
devstral-2 · analyzed Apr 22, 2026 Full analysis →

References (4)

Core 4
Core References
Product product
Official Product Homepage
https://textpad.com
Third Party Advisory third-party-advisory
VulnCheck Advisory: Textpad 8.1.2 Denial of Service via Run Command
https://www.vulncheck.com/advisories/textpad-denial-of-service-via-run-command
Exploit exploit
ExploitDB-45956
https://www.exploit-db.com/exploits/45956

Scores

CVSS v3 6.2
EPSS 0.0018
EPSS Percentile 8.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (2)
helios/textpad 8.1.2
Textpad/Textpad 8.1.2
Published Apr 22, 2026
Tracked Since Apr 22, 2026