CVE-1999-0060

Ascend MAX and Pipeline Routers - Denial of Service via Malformed Packet to Discard Port

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-1999-0060. PoCs published by Rootshell.

AI-analyzed exploit summary This Perl script exploits a DoS vulnerability in Ascend (Lucent) MAX and Pipeline routers by sending a malformed UDP packet to port 9 (Discard). The packet triggers a crash in vulnerable router software versions.

Description

Attackers can cause a denial of service in Ascend MAX and Pipeline routers with a malformed packet to the discard port, which is used by the Java Configurator tool.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Rootshell · perlremotehardware
https://www.exploit-db.com/exploits/19555

This Perl script exploits a DoS vulnerability in Ascend (Lucent) MAX and Pipeline routers by sending a malformed UDP packet to port 9 (Discard). The packet triggers a crash in vulnerable router software versions.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Ascend (Lucent) MAX and Pipeline routers (certain versions)
No auth needed
Prerequisites: Network access to the target router's UDP port 9
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Rootshell · cremotehardware
https://www.exploit-db.com/exploits/19554

This exploit sends a malformed UDP packet to port 9 (Discard) on Ascend (Lucent) MAX and Pipeline routers, causing them to crash or reboot. The packet includes a magic payload derived from Ascend's configuration tools, followed by random garbage to trigger the vulnerability.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Ascend (Lucent) MAX and Pipeline routers (versions prior to 5.0Ap46)
No auth needed
Prerequisites: Network access to the target router's UDP port 9
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Various Sources x_refsource_misc
http://www.ascend.com/2695.html

Scores

EPSS 0.0869
EPSS Percentile 94.4%

Details

Status published
Products (13)
lucent/ascend_max_router 1.0
lucent/ascend_max_router 2.0
lucent/ascend_max_router 3.0
lucent/ascend_max_router 4.0
lucent/ascend_max_router 5.0
lucent/ascend_pipeline_router 1.0
lucent/ascend_pipeline_router 2.0
lucent/ascend_pipeline_router 3.0
lucent/ascend_pipeline_router 4.0
lucent/ascend_pipeline_router 5.0
... and 3 more
Published Mar 16, 1998
Tracked Since Feb 18, 2026