VDB-346705 · CVE-2019-25363 · Exploit 47563

Alloksoft WMV to AVI MPEG DVD WMV Convertor 4.6.1217 License Name/License Code stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Alloksoft WMV to AVI MPEG DVD WMV Convertor 4.6.1217. The impacted element is an unknown function. This manipulation of the argument License Name/License Code causes stack-based overflow. This vulnerability is registered as CVE-2019-25363. The attack needs to be launched locally. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Alloksoft WMV to AVI MPEG DVD WMV Convertor 4.6.1217. It has been declared as critical. Affected by this vulnerability is some unknown functionality. The manipulation of the argument License Name/License Code with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

WMV to AVI MPEG DVD WMV Convertor 4.6.1217 contains a buffer overflow vulnerability that allows attackers to crash the application by providing an oversized license input. Attackers can generate a 6000-byte payload and paste it into the 'License Name and License Code' field to trigger an application crash.

The weakness was published by Nithoshitha S as 47563. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2019-25363 since 02/13/2026. The exploitation appears to be easy. An attack has to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47563). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Multimedia Processing Software

Vendor

Alloksoft

Name

WMV to AVI MPEG DVD WMV Convertor

Version

4.6.1217

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
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Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
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Price Prediction: 🔍
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0-Day	Unlock	Unlock	Unlock	Unlock
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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/13/2026 CVE reserved
02/19/2026 +6 days Advisory disclosed
02/19/2026 +0 days VulDB entry created
02/27/2026 +8 days VulDB entry last update

Sourcesinfo

Advisory: 47563
Researcher: Nithoshitha S
Status: Not defined

CVE: CVE-2019-25363 (🔒)
GCVE (CVE): GCVE-0-2019-25363
GCVE (VulDB): GCVE-100-346705
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/19/2026 08:20
Updated: 02/27/2026 06:22
Changes: 02/19/2026 08:20 (81), 02/27/2026 06:22 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.