CVE-2019-25547 NetAware 1.20 Denial of Service via Add Block Buffer Overflow

Medium 6.9 Published Updated

Local attackers can crash NetAware by pasting oversized input into the website filtering field, causing a buffer overflow.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-25547?

CVE-2019-25547 is a medium-severity memory corruption vulnerability in Infiltration-Systems NetAware, published on 21 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-787

Which versions are affected by CVE-2019-25547?

It affects 1 product.

Products include Spytech-Web Netaware.

How do I fix CVE-2019-25547?

No fix has been published for CVE-2019-25547 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-25547 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25547 exists.

Sources

Also known as GHSA-qg4x-9553-5gfm.

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