CVE-1999-1336
MediumExploitation Probability (EPSS)
Elevated risk73th percentile - higher than 73% of all known CVEs
Summary
The 3Com HiPer Access Router Card (HiperARC) versions 4.0 through 4.2.29 is vulnerable to a denial of service attack that can cause the device to reboot. Attackers can exploit this by flooding the telnet port with IAC packets.
Risk Assessment
A denial of service attack can lead to service availability interruptions, impacting the organization's operational continuity. Potential disruptions may affect operations and user trust.
Recommendation
It is recommended to restrict access to the telnet port and monitor network traffic to detect and block potential attacks. Additionally, consider upgrading to a newer software version.
Original NVD description (English source)
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.