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CVE-2002-1071

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and...

5.0 MediumPublic exploit

CVE-2002-1071 is a medium vulnerability (CVSS 5.0) in Zyxel Prestige, published August 31, 2002. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.32%, the 88th percentile. No source names a fixed version.

What does this mean?
Severity
5.0 MediumCVSS 2.0, NVD
Exploit chance
3.32%EPSS, 88th percentile
Exploitation
None known1 public exploit
Fixed in
No fix listedNo source names one

Description

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.

Exploit likelihood

3.32%Down 1.2 points since Feb 4, 2022
90%50%10%1%

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBZYXEL Prestige 642R Router - Malformed Packet Denial of Service2002-07-17

What each source reports

NVD Score used5.0

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.

Record
CVE-2002-1071
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE ListNo score

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.

Record
CVE-2002-1071
Updated
2026-11-02
EUVDEUVD-2002-1060No score

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.

Record
EUVD-2002-1060
Updated
2026-11-03
GitHub AdvisoriesGHSA-932g-jw4h-6cmmNo score

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and...

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.

Record
GHSA-932g-jw4h-6cmm
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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