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4.6
Foscam Video Management System crashes if given very long username
CVE-2019-25353
Summary
Attackers can crash the Foscam Video Management System by sending a very long username, potentially causing downtime. This can happen when a user attempts to log in with a maliciously crafted username. To protect your system, update to a fixed version of the software.
Original title
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 wi...
Original 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.
nvd CVSS3.1
7.5
nvd CVSS4.0
4.6
Vulnerability type
CWE-120
Classic Buffer Overflow
Published: 18 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026