CVE-1999-1336: 3com Hiperarc

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

3Com HiPer Access Router Card (HiperARC) 4.0 through 4.2.29 allows remote attackers to cause a denial of service (reboot) via a flood of IAC packets to the telnet port.

Affected products

• 3com Hiperarc: up to and including 4.2.29

Published 1999-08-12. Last modified 2026-06-16.