CVE-2000-0221

Nortel Nautica Marlin - Denial of Service via Zero-Length UDP Packet to SNMP Port

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0221. PoCs published by Christophe GRENIER.

AI-analyzed exploit summary The exploit describes a DoS vulnerability in Nortel/Bay Networks Nautica Marlin routers where sending a 0-byte UDP packet to port 161 (SNMP) causes a crash. The provided command uses NMAP to trigger the vulnerability.

Description

The Nautica Marlin bridge allows remote attackers to cause a denial of service via a zero length UDP packet to the SNMP port.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Christophe GRENIER · textdoshardware
https://www.exploit-db.com/exploits/19766

The exploit describes a DoS vulnerability in Nortel/Bay Networks Nautica Marlin routers where sending a 0-byte UDP packet to port 161 (SNMP) causes a crash. The provided command uses NMAP to trigger the vulnerability.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Nortel/Bay Networks Nautica Marlin router
No auth needed
Prerequisites: Network access to the target router · NMAP or similar UDP scanning tool
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1009

Scores

EPSS 0.0528
EPSS Percentile 91.6%

Details

Status published
Products (1)
nortel/nautica_marlin
Published Feb 25, 2000
Tracked Since Feb 18, 2026