CVE-2002-1071 describes a denial-of-service vulnerability affecting ZyXEL Prestige 642R routers. An unauthenticated remote attacker can crash the Telnet, FTP, and DHCP services by sending a specially crafted TCP packet with both SYN and ACK flags set. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to a partial availability impact. While not listed in CISA's KEV catalog, exploit code is publicly available via ExploitDB, and it has garnered significant community discussion, with 10 mentions across various platforms.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
310CPE matchmatch criteria | cpe:2.3:h:zyxel:prestige:310:*:*:*:*:*:*:* | ||
642rCPE matchmatch criteria | cpe:2.3:h:zyxel:prestige:642r:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.