6057 : 3Com HiPer Access Router Card (HiperARC) IAC Packet Flood DoS
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Disclosure Date


3COM HiPer Access Router Card (HiperARC) contains a flaw that may allow a remote denial of service. The issue is triggered when sending a flood of IAC (Inquiry Access Code) packets to the telnet port, which will cause the card to reboot resulting in a loss of availability.


Location: Remote / Network Access
Impact: Loss of Availability
Exploit: Exploit Public


Currently, there are no known upgrades or patches to correct this issue. It is possible to correct the flaw by implementing the following workaround: Create a telnet access list of trusted hosts and do not allow any telnet sessions from outside your network.


3Com Corporation
HiPer Access Router Card


Tools & Filters



  • Jonathan Chapman - jchapman1st.net -

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1


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