CVE-2020-36971

HIGH

Nidesoft 3GP Video Converter <2.6.18 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-36971. PoCs published by Felipe Winsnes.

AI-analyzed exploit summary This exploit demonstrates a local stack buffer overflow in Nidesoft 3GP Video Converter 2.6.18 by crafting a malicious license code that triggers a buffer overflow, leading to arbitrary code execution (calc.exe). The payload is generated using msfvenom and targets the application's registration license input field.

Description

Nidesoft 3GP Video Converter 2.6.18 contains a local stack buffer overflow vulnerability in the license registration parameter. Attackers can craft a malicious payload and paste it into the 'License Code' field to execute arbitrary code on the system.

Exploits (1)

exploitdb WORKING POC
by Felipe Winsnes · pythonlocalwindows
https://www.exploit-db.com/exploits/49034

This exploit demonstrates a local stack buffer overflow in Nidesoft 3GP Video Converter 2.6.18 by crafting a malicious license code that triggers a buffer overflow, leading to arbitrary code execution (calc.exe). The payload is generated using msfvenom and targets the application's registration license input field.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Nidesoft 3GP Video Converter 2.6.18
No auth needed
Prerequisites: Victim must run the malicious script to generate the payload file · Victim must manually paste the payload into the application's license field
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 8.4
EPSS 0.0015
EPSS Percentile 4.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-121
Status published
Products (1)
Nidesoft/Nidesoft 3GP Video Converter 2.6.18
Published Jan 28, 2026
Tracked Since Feb 18, 2026