Phoenixcontact Fl Nat Smn 8Tx Firmware vulnerabilities

3 known vulnerabilities affecting phoenixcontact/fl_nat_smn_8tx_firmware.

Total CVEs

3

CISA KEV

0

Public exploits

0

Exploited in wild

0

Severity breakdown

HIGH1MEDIUM2

Vulnerabilities

Page 1 of 1

CVE-2021-21005HIGHCVSS 7.5≤ 4.632021-06-25

CVE-2021-21005 [HIGH] CWE-362 CVE-2021-21005: In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-c In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.

CVE-2021-21004MEDIUMCVSS 6.1≤ 4.632021-06-25

CVE-2021-21004 [MEDIUM] CWE-79 CVE-2021-21004: In Phoenix Contact FL SWITCH SMCS series products in multiple versions an attacker may insert malici In Phoenix Contact FL SWITCH SMCS series products in multiple versions an attacker may insert malicious code via LLDP frames into the web-based management which could then be executed by the client.

CVE-2021-21003MEDIUMCVSS 5.3≤ 4.632021-06-25

CVE-2021-21003 [MEDIUM] CWE-404 CVE-2021-21003: In Phoenix Contact FL SWITCH SMCS series products in multiple versions fragmented TCP-Packets may ca In Phoenix Contact FL SWITCH SMCS series products in multiple versions fragmented TCP-Packets may cause a Denial of Service of Web-, SNMP- and ICMP-Echo services. The switching functionality of the device is not affected.