CVE-2002-1071 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 3.3% (pctl 88)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 3.32% — more likely to be exploited than 88% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2002-10-04 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| zyxel | prestige |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | ZYXEL Prestige 642R Router - Malformed Packet Denial of Service | 2002-07-17 |
References
- http://online.securityfocus.com/archive/1/277242
- http://online.securityfocus.com/archive/1/277303
- http://online.securityfocus.com/archive/1/277307
- http://www.iss.net/security_center/static/9372.php
- http://www.securityfocus.com/bid/5034
- http://online.securityfocus.com/archive/1/277242
- http://online.securityfocus.com/archive/1/277303
- http://online.securityfocus.com/archive/1/277307
- http://www.iss.net/security_center/static/9372.php
- http://www.securityfocus.com/bid/5034
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