CVE-1999-1336
3Com HiPer Access Router Card (HiperARC) 4.0 through 4.2.29 allows remote attackers to cause a...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-1999-1336- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-1999-1336- Updated
- 2026-11-02
EUVDEUVD-1999-1317 No score
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.
- Record
EUVD-1999-1317- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r6rp-8fmx-4m58 No score
3Com HiPer Access Router Card (HiperARC) 4.0 through 4.2.29 allows remote attackers to cause a...
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.
- Record
GHSA-r6rp-8fmx-4m58- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-1336 is a medium vulnerability (CVSS 5.0) in 3com Hiperarc, published August 12, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.61%, the 76th percentile. No source names a fixed version.