CVE-2019-25547
NetAware 1.20 Denial of Service via Add Block Buffer Overflow
Description
NetAware 1.20 contains a buffer overflow vulnerability in the User Blocking feature that allows local attackers to crash the application by supplying oversized input. Attackers can paste a malicious buffer of 512 bytes into the 'Add a website or keyword to be filtered' field and trigger a crash when removing the created block.
INFO
Published Date :
March 21, 2026, 1:16 p.m.
Last Modified :
March 23, 2026, 5:32 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update NetAware to the latest version.
- Apply vendor-supplied patches for User Blocking.
- Validate proper input handling in User Blocking.
- Monitor for application stability.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-25547.
| URL | Resource |
|---|---|
| https://www.exploit-db.com/exploits/46908 | Exploit VDB Entry |
| https://www.infiltration-systems.com | Product |
| https://www.vulncheck.com/advisories/netaware-denial-of-service-via-add-block-buffer-overflow | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-25547 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-25547
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-25547 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-25547 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 23, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:spytech-web:netaware:1.20:*:*:*:*:*:*:* Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/46908 Types: Exploit, VDB Entry Added Reference Type VulnCheck: https://www.infiltration-systems.com Types: Product Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/netaware-denial-of-service-via-add-block-buffer-overflow Types: Third Party Advisory -
New CVE Received by [email protected]
Mar. 21, 2026
Action Type Old Value New Value Added Description NetAware 1.20 contains a buffer overflow vulnerability in the User Blocking feature that allows local attackers to crash the application by supplying oversized input. Attackers can paste a malicious buffer of 512 bytes into the 'Add a website or keyword to be filtered' field and trigger a crash when removing the created block. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-787 Added Reference https://www.exploit-db.com/exploits/46908 Added Reference https://www.infiltration-systems.com Added Reference https://www.vulncheck.com/advisories/netaware-denial-of-service-via-add-block-buffer-overflow