Vulnerability Report

CVE-1999-1336

Title: HiperARC telnet IAC packet flood causes reboot (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-1999-1336.

CWE Category NVD-CWE-noinfo

Published Date Aug 12, 1999

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

1.61%

Vulnerability Summary

CVE-1999-1336: 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.

Impacted Vendors

3com 1

Reference Links

http://marc.info/?l=bugtraq&m=93458364903256&w=2 http://marc.info/?l=bugtraq&m=93492615408725&w=2 http://www.osvdb.org/6057 http://marc.info/?l=bugtraq&m=93458364903256&w=2 http://marc.info/?l=bugtraq&m=93492615408725&w=2 http://www.osvdb.org/6057

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-1999-1336 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

August 12, 1999 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.