VDB-350521 · CVE-2019-25475 · Exploit 47318

Top-Password SQL Server Password Changer 1.90 Registration User Name/Registration Code out-of-bounds write

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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Top-Password SQL Server Password Changer 1.90 and classified as critical. The affected element is an unknown function of the component Registration Handler. This manipulation of the argument User Name/Registration Code causes out-of-bounds write. This vulnerability is handled as CVE-2019-25475. It is possible to launch the attack on the local host. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Top-Password SQL Server Password Changer 1.90. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Registration Handler. The manipulation of the argument User Name/Registration Code with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

SQL Server Password Changer 1.90 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload. Attackers can inject 6000 bytes of data into the User Name and Registration Code field to trigger a denial of service condition.

The weakness was released by Velayutham Selvaraj and Praveen Thiyagarayam as 47318. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2019-25475 since 02/23/2026. 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.

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

Productinfo

Type

Database Software

Vendor

Top-Password

Name

SQL Server Password Changer

Version

1.90

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector (VulnCheck): 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/23/2026 CVE reserved
03/11/2026 +16 days Advisory disclosed
03/11/2026 +0 days VulDB entry created
03/14/2026 +3 days VulDB entry last update

Sourcesinfo

Advisory: 47318
Researcher: Velayutham Selvaraj, Praveen Thiyagarayam
Status: Not defined

CVE: CVE-2019-25475 (🔒)
GCVE (CVE): GCVE-0-2019-25475
GCVE (VulDB): GCVE-100-350521
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/11/2026 19:57
Updated: 03/14/2026 18:07
Changes: 03/11/2026 19:57 (81), 03/14/2026 18:07 (1)
Complete: 🔍
Cache ID: 216::103