CVE-2013-4981: Avtech AVN801 Dvr

High severity, CVSS 9.0. EPSS: 6% chance of exploitation in the next 30 days.

Buffer overflow in cgi-bin/user/Config.cgi in AVTECH AVN801 DVR with firmware 1017-1003-1009-1003 and earlier, and possibly other devices, allows remote attackers to cause a denial of service (device crash) and possibly execute arbitrary code via a long string in the Network.SMTP.Receivers parameter.

Affected products

• Avtech AVN801 Dvr
• Avtech AVN801 Dvr Firmware: up to and including 1017-1003-1009-1003

Published 2014-03-03. Last modified 2026-06-16.