Description
An attacker can use an undocumented UART port on the PCB as a side-channel to get root access e.g. with the credentials obtained from CVE-2025-41692.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Phoenix Contact FL SWITCH 2005
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2008
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2016
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2105
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2108
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2116
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2204-2TC-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2205
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2206-2FX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2206-2FX SM
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2206-2FX SM ST
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2206-2FX ST
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2206-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2206-2SFX PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2206C-2FX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2207-FX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2207-FX SM
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2208
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2208 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2208C
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2212-2TC-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2214-2FX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2214-2FX SM
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2214-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2214-2SFX PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2216
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2216 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2304-2GC-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2306-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2306-2SFP PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2308
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2308 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2312-2GC-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2314-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2314-2SFP PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2316
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2316 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2404-2TC-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2406-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2406-2SFX PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2408
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2408 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2412-2TC-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2414-2SFX
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2414-2SFX PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2416
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2416 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2504-2GC-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2506-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2506-2SFP PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2508
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2508 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2512-2GC-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2514-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2514-2SFP PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2516
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2516 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2608
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2608 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2708
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2708 PN
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2303-8SP1
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL NAT 2008
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL NAT 2208
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL NAT 2304-2GC-2SFP
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2008F
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2316/K1
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2506-2SFP/K1
Default version status: unaffected
0.0.0 to < 3.50affected
Phoenix Contact FL SWITCH 2508/K1
Default version status: unaffected
0.0.0 to < 3.50affected