CVE-2021-47781

CRITICAL

Cmder Console Emulator 1.3.18 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47781. PoCs published by Aryan Chehreghani.

AI-analyzed exploit summary This PoC demonstrates a Denial of Service (DoS) vulnerability in Cmder Console Emulator 1.3.18 by creating a malformed .cmd file that triggers a buffer overflow when executed. The payload consists of repeated strings designed to crash the application.

Description

Cmder Console Emulator 1.3.18 contains a buffer overflow vulnerability that allows attackers to trigger a denial of service condition through a maliciously crafted .cmd file. Attackers can create a specially constructed .cmd file with repeated characters to overwhelm the console emulator's buffer and crash the application.

Exploits (1)

exploitdb WORKING POC
by Aryan Chehreghani · textlocalwindows
https://www.exploit-db.com/exploits/50401

This PoC demonstrates a Denial of Service (DoS) vulnerability in Cmder Console Emulator 1.3.18 by creating a malformed .cmd file that triggers a buffer overflow when executed. The payload consists of repeated strings designed to crash the application.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Cmder Console Emulator v1.3.18
No auth needed
Prerequisites: Ability to create a .cmd file on the target system · Execution of the .cmd file within Cmder
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/50401

Scores

CVSS v3 9.8
EPSS 0.0025
EPSS Percentile 16.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-787
Status published
Published Jan 15, 2026
Tracked Since Feb 18, 2026