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Port 69 Details


known port assignments and vulnerabilities
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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
69 tcp trojan BackGate Kit, Nimda, Pasana, Storm, Storm worm, Theef Trojans
69 udp trojan Pasana Trojans
69 tcp BackGate [trojan] BackGate SANS
69, 5060, 6000-6006, 6010-6016, 6020-6026, 6030-6036 udp applications TalkSwitch Portforward
69,5060,16384-16392 udp applications Verizon VoiceWing Portforward
69,5060-5061,10000-20000 udp applications Viatalk Portforward
69 tcp threat W32.Evala.Worm Bekkoame
69 tcp threat W32.Mockbot Bekkoame
69 udp threat W32.Blaster.Worm Bekkoame
69 udp threat W32.Bolgi.Worm Bekkoame
69 udp threat W32.Cycle Bekkoame
69 udp threat W32.Zotob Bekkoame
69 tcp,udp tftp Trivial File Transfer IANA
16 records found

Related ports: 70  135  3332  4444  

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