CVE-2019-25353 Foscam Video Management System 1.1.4.9 - 'Username' Denial of Service
Attackers can crash the Foscam Video Management System by sending an oversized username string during login, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-25353?
CVE-2019-25353 is a medium-severity memory corruption vulnerability in Diy Security SL Foscam Video Management System, published on 18 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Foscam Video Management System 1.1.4.9 contains a denial of service vulnerability in the username input field that allows attackers to crash the application. Attackers can overwrite the username with a 520-byte buffer of repeated 'A' characters to trigger an application crash during device login.
Weakness: CWE-120
Which versions are affected by CVE-2019-25353?
How do I fix CVE-2019-25353?
No fix has been published for CVE-2019-25353 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-2019-25353 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25353 exists.
Sources
Also known as GHSA-3r32-v4qm-6hph.