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Port 1900 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 1900 |
tcp,udp |
SSDP, UPnP |
IANA registered by Microsoft for SSDP (Simple Service Discovery Protocol).
UPnP discovery/SSDP, is a service that runs by default on WinXP, and creates an immediately exploitable security vulnerability for any network-connected system. Filtering this port proactively prevents XP systems from being remotely compromised by malicious worms or intruders. See UPnP vulnerabilities (port 5000).
The Xerox Phaser 8400 allows remote attackers to cause a denial of service (reboot) via an empty UDP packet to port 1900.
References: [CVE-2008-3571], [BID-30522]
Multiple buffer overflows in LGSERVER.EXE in CA BrightStor ARCserve Backup for Laptops and Desktops r11.0 through r11.1 SP1, Mobile Backup r4.0, Desktop and Business Protection Suite r2, and Desktop Management Suite (DMS) r11.0 and r11.1 allow remote attackers to execute arbitrary code via crafted packets to TCP port 1900 or 2200.
References: [CVE-2007-0449]
Stack-based buffer overflow in the Universal Plug and Play (UPnP) service in D-Link DI-524, DI-604 Broadband Router, DI-624, D-Link DI-784, WBR-1310 Wireless G Router, WBR-2310 RangeBooster G Router, and EBR-2310 Ethernet Broadband Router allows remote attackers to execute arbitrary code via a long M-SEARCH request to UDP port 1900.
References: [CVE-2006-3687] [BID-19006] [SECUNIA-21081] [OSVDB-27333]
Swisscom Internet-Box is vulnerable to a stack-based buffer overflow, caused by imprper bounds checking by the LAN UPnP service. By sending a simple UDP packet to port 1900, a remote attacker could overflow a buffer and execute arbitrary code on the device.
References: [CVE-2018-16596], [XFDB-154437]
An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.
References: [CVE-2020-15893]
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400 and R6700 firmware version 1.0.4.98 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the upnpd service, which listens on UDP port 1900 by default. A crafted MX header field in an SSDP message can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11851.
References: [CVE-2021-27239] |
SG
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| 1900 |
udp |
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Microsoft SSDP Enables discovery of UPnP devices (official) |
Wikipedia
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| 1900,3776,7777 |
udp |
applications |
XBox 360 Media Center |
Portforward
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| 1900 |
tcp,udp |
upnp |
Universal PnP |
Nmap
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| 1900 |
tcp,udp |
ssdp |
SSDP |
IANA
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5 records found
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jump to:
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Related ports: 2200 2869 5000 32400
« back to SG Ports
External Resources
SANS Internet Storm Center: port 1900
Notes:
Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify
a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly
used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol, the most commonly used protocol
on the Internet and any TCP/IP network. TCP enables two hosts
to establish a connection and exchange streams of data. TCP guarantees delivery of data
and that packets will be delivered in the same order in which they were sent.
Guaranteed communication/delivery is the key difference between TCP and UDP.
UDP ports use the Datagram Protocol. Like TCP, UDP is used in combination with IP (the Internet Protocol)
and facilitates the transmission of datagrams from one computer to applications on another computer,
but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received
the message to process any errors and verify correct delivery. UDP is often used with time-sensitive
applications, such as audio/video streaming and realtime gaming, where dropping some packets is preferable to waiting for delayed data.
When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them.
This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command.
We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software.
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