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5.0
CVE-2000-0896: WatchGuard SOHO firewall can be knocked offline by packet flood
CVE-2000-0896 · published 25 years ago
Summary
The WatchGuard SOHO firewall can stop working if it receives a large number of fragmented network packets, causing it to drop connections and stop forwarding traffic. This can interrupt business operations that rely on the firewall for internet access. Apply the latest firmware update from WatchGuard and consider network filtering to limit unusual traffic patterns.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| watchguard | soho_firewall |
1.6 cpe:2.3:h:watchguard:soho_firewall:1.6:*:*:*:*:*:*:* |
Original advisory text
WatchGuard SOHO firewall allows remote attackers to cause a denial of service via a flood of fragmented IP packets, which causes the firewall to drop connections and stop forwarding packets.
WatchGuard SOHO firewall allows remote attackers to cause a denial of service via a flood of fragmented IP packets, which causes the firewall to drop connections and stop forwarding packets.
References
- http://www.osvdb.org/1690
- http://www.securityfocus.com/bid/2113 Exploit Patch Vendor Advisory
- http://xforce.iss.net/alerts/advise70.php Exploit Patch Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5749
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Severity
5.0
Medium
Timeline
Published12 Feb 2001
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2000-0896 · NVD
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