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Port 69 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 69 |
udp |
TFTP |
Trivial File Transfer Protocol - A less secure version of FTP, generally used in maintaining and updating systems, for configuration file transfers between LAN systems, firmware updates on routers, etc.
Many trojans also use this port: BackGate Kit, Nimda, Pasana, Storm, Storm worm, Theef...
W32.Blaster.Worm [Symantec-2003-081113-0229-99] is a widely spread worm that exploits the MS DCOM RPC vulnerability described in MS Security Bulletin [MS03-026]. The worm allows remote access to an infected computer via ports 4444/tcp and 69/UDP, and spreads through port 135/tcp. To avoid being infected consider closing those ports.
W32.Welchia.Worm [Symantec-2003-081815-2308-99] - a wildly spread worm that removes the W32.Blaster.Worm and installs a TFTP server.
W32.Cycle [Symantec-2004-051015-4731-99] (2004.05.10). Exploits a MS vulnerability on port 445, Listens on ports 3332/tcp and 69/udp.
W32.Zotob.E [Symantec-2005-081615-4443-99] (2005.08.16) - a worm that opens a backdoor and exploits the MS Plug and Play Buffer Overflow vulnerability (MS Security Bulletin [MS05-039]) on port 445/tcp. It runs and spreads using all current Windows versions, but only infects Windows 2000.
The worm connects to IRC servers and listens for remote commands on port 8080/tcp. It opens port 69/udp to initiate TFTP transfers. It also opens a bacdoor on remote compromised computers on port 8594/tcp. Port 69/udp also used by the W32.Zotob.H [Symantec-2005-081717-2017-99] variant of the worm.
W32.Evala.Worm [Symantec-2002-071017-5735-99] (2002.07.10) - backdoor trojan. Affects Windows 9x/Me/NT/2k/XP, listens on ports 69 and 70.
Buffer overflow in FutureSoft TFTP Server 2000 on Microsoft Windows 2000 SP4 allows remote attackers to execute arbitrary code via a long request on UDP port 69. NOTE: this issue might overlap [CVE-2006-4781] or [CVE-2005-1812].
References: [CVE-2007-1645]
The Arecont Vision AV1355DN MegaDome camera allows remote attackers to cause a denial of service (video-capture outage) via a packet to UDP port 69.
References: [CVE-2013-0139]
Hillstone Software HS TFTP Server is vulnerable to a denial of service, caused by an error when processing TFTP requests. By sending a specially-crafted READ/WRITE request packet containing an overly long filename to UDP port 69, a remote attacker could exploit this vulnerability to cause the TFTP service to crash.
References: [XFDB-71609], [BID-50886], [EDB-18188]
SolarWinds TFTP (Trivial File Transfer Protocol) Server is vulnerable to a denial of service, caused by an error when handling Read Request requests. By sending a specially-crafted Read Request to UDP port 69, a remote attacker could exploit this vulnerability to cause the server process to crash.
References: [CVE-2010-2115], [XFDB-58782], [BID-40333]
The Spiceworks TFTP Server, as distributed with Spiceworks Inventory 7.5, allows remote attackers to access the Spiceworks data\configurations directory by leveraging the unauthenticated nature of the TFTP service for all clients who can reach UDP port 69, as demonstrated by a WRQ (aka Write request) operation for a configuration file or an executable file.
References: [CVE-2017-7237], [EDB-41825]
MobaXterm Personal Edition could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted request to the TFTP server port 69 containing "dot dot" sequences (/../) in the request to retrieve arbitrary files on the system.
References: [CVE-2017-6805], [XFDB-123199]
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to port 69/udp could modify the administrative client stored on the device. If a legitimate user downloads and executes the modified client from the affected device, then he/she could obtain code execution on the client system.
References: [CVE-2018-4854], [BID-104672]
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to port 69/udp could modify the firmware of the device.
References: [CVE-2018-4853], [BID-104672] |
SG
|
| 69 |
tcp |
malware |
Backdoor.Win32.Psychward.03.a / Weak Hardcoded Password - the malware listens in TCP port 69. The password "tyme" is
weak and stored in plaintext with the executable.
References: [MVID-2022-0548] |
SG
|
| 69 |
udp |
|
Trivial File Transfer Protocol (TFTP) (official) |
Wikipedia
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| 69 |
tcp |
trojan |
BackGate Kit, Nimda, Pasana, Storm, Storm worm, Theef |
Trojans
|
| 69 |
udp |
trojan |
Pasana |
Trojans
|
| 69 |
tcp |
BackGate |
[trojan] BackGate |
SANS
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| 69, 5060, 6000-6006, 6010-6016, 6020-6026, 6030-6036 |
udp |
applications |
TalkSwitch |
Portforward
|
| 69,5060,16384-16392 |
udp |
applications |
Verizon VoiceWing |
Portforward
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| 69,5060-5061,10000-20000 |
udp |
applications |
Viatalk |
Portforward
|
| 69 |
tcp |
threat |
W32.Evala.Worm |
Bekkoame
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| 69 |
tcp |
threat |
W32.Mockbot |
Bekkoame
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| 69 |
udp |
threat |
W32.Blaster.Worm |
Bekkoame
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| 69 |
udp |
threat |
W32.Bolgi.Worm |
Bekkoame
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| 69 |
udp |
threat |
W32.Cycle |
Bekkoame
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| 69 |
udp |
threat |
W32.Zotob |
Bekkoame
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| 69 |
tcp,udp |
tftp |
Trivial File Transfer |
IANA
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16 records found
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jump to:
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Related ports: 70 135 3332 4444
« back to SG Ports
External Resources
SANS ISC: port 69
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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