Port 5046Vishay PM UDP Service

UDP/5046 is assigned to the Vishay PM UDP Service, with no known common deployment.

transport: udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

also known as vpm-udp

Technical Details

what runs on :5046

Vishay PM UDP Service is registered on port :5046 over udp to Ashley Clarke, assigned June 2010. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :5046

this machine

# linux
sudo ss -ulpn 'sport = :5046'

# macos / bsd
sudo lsof -nP -i :5046

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :5046

another host

sudo nmap -sU -sV -p U:5046 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :5046

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

no security notes recorded for :5046 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :5046
service: Vishay PM UDP Service
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA lists UDP/5046 as the Vishay PM UDP Service, registered to Ashley Clarke in 2010. No established public documentation or common implementation is known, and it has never appeared open in Nmap's internet-wide scan data.
lookups: 0rank 993
added: 2026-10-06
updated: 2026-10-06
references: IANA service name registry — port 5046

Something wrong?

This record is maintained by the engineers who use port 5046. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-10-06.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :5046, by lookups.

port	service	proto	category	risk	views
:5001	Iperf	TCPUDP	Network Services	caution	27.7k
:5001	Commplex-Link	TCP	Network Services	caution	24.9k
:5001	Slingbox	TCP	Streaming	caution	22.4k
:5104	IBM Netcool Impact HTTP	TCP	Network Services	caution	22.2k
:5000	Commplex Main	TCP	Web Services	caution	15.4k
:5070	BFCP	TCP	Network Services	caution	15.2k
:5061	SIP over TLS	TCP	Security	caution	14.4k
:5093	SafeNet License Manager	UDP	System	caution	13.3k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :5046Vishay PM UDP Service

Technical Details

Security Information

Related Ports

Port 5046Vishay PM UDP Service