voici les infos demandés:
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS"
>> lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 0781:5581 SanDisk Corp. Ultra
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 5986:014c Acer, Inc
Bus 003 Device 004: ID 13d3:3394 IMC Networks Bluetooth
Bus 003 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 003 Device 002: ID 0bda:0138 Realtek Semiconductor Corp. RTS5138 Card Reader Controller
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
04:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8161 Gigabit Ethernet [1969:1091] (rev 10)
Subsystem: Micro-Star International Co., Ltd. [MSI] AR8161 Gigabit Ethernet [1462:10e9]
Kernel driver in use: alx
Kernel modules: alx
05:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723AE PCIe Wireless Network Adapter [10ec:8723]
Subsystem: AzureWave RTL8723AE PCIe Wireless Network Adapter [1a3b:2114]
Kernel driver in use: rtl8723ae
Kernel modules: rtl8723ae
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: AR8161 Gigabit Ethernet
fabriquant: Qualcomm Atheros
identifiant matériel: 0
information bus: pci@0000:04:00.0
nom logique: enp4s0
version: 10
numéro de série: 44:8a:5b:f0:6c:f9
taille: 1Gbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.1.16 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
ressources: irq:19 mémoire:f7900000-f793ffff portE/S:d000(taille=128)
*-network
description: Interface réseau sans fil
produit: RTL8723AE PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:05:00.0
nom logique: wlan0
version: 00
numéro de série: 40:e2:30:30:11:c8
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8723ae driverversion=5.3.0-53-generic firmware=N/A ip=192.168.1.49 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources: irq:17 portE/S:c000(taille=256) mémoire:f7800000-f7803fff
>> lsmod | sort
8021q 32768 0
ac97_bus 16384 1 snd_soc_core
aesni_intel 372736 2
aes_x86_64 20480 1 aesni_intel
ahci 40960 1
alx 49152 0
autofs4 45056 2
binfmt_misc 24576 1
bluetooth 573440 35 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
bpfilter 24576 0
btbcm 16384 1 btusb
btcoexist 147456 1 rtl8723ae
btintel 24576 1 btusb
btrtl 20480 1 btusb
btusb 57344 0
ccm 20480 3
cfg80211 704512 2 rtlwifi,mac80211
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 2 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 491520 17 drm_kms_helper,i915,ttm,nouveau
drm_kms_helper 180224 2 i915,nouveau
ecc 32768 1 ecdh_generic
ecdh_generic 16384 1 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
garp 16384 1 8021q
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hid 126976 4 usbhid,hid_generic,hid_logitech_dj,hid_logitech_hidpp
hid_generic 16384 0
hid_logitech_dj 24576 0
hid_logitech_hidpp 40960 0
i2c_algo_bit 16384 2 i915,nouveau
i915 1941504 30
ie31200_edac 16384 0
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 20480 0
intel_rapl_common 24576 1 intel_rapl_msr
intel_rapl_msr 20480 0
intel_rapl_perf 20480 0
iptable_filter 16384 0
iptable_mangle 16384 0
iptable_nat 16384 0
ip_tables 32768 3 iptable_filter,iptable_nat,iptable_mangle
irqbypass 16384 1 kvm
joydev 28672 0
kvm 655360 1 kvm_intel
kvm_intel 245760 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
libahci 32768 1 ahci
libarc4 16384 1 mac80211
libcrc32c 16384 2 nf_conntrack,nf_nat
llc 16384 2 stp,garp
lp 20480 0
lpc_ich 24576 0
mac80211 847872 3 rtl_pci,rtl8723ae,rtlwifi
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mdio 16384 1 alx
mei 102400 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
Module Size Used by
mrp 20480 1 8021q
msi_wmi 20480 0
mxm_wmi 16384 1 nouveau
nf_conntrack 139264 1 nf_nat
nf_defrag_ipv4 16384 1 nf_conntrack
nf_defrag_ipv6 24576 1 nf_conntrack
nf_nat 40960 1 iptable_nat
nls_iso8859_1 16384 1
nouveau 1892352 1
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
pci_stub 16384 1
ppdev 24576 0
psmouse 151552 0
rfcomm 81920 4
rtl8723ae 90112 0
rtl8723_common 24576 1 rtl8723ae
rtl_pci 28672 1 rtl8723ae
rtlwifi 90112 4 rtl_pci,btcoexist,rtl8723ae,rtl8723_common
sch_fq_codel 20480 9
serio_raw 20480 0
snd 86016 23 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
snd_compress 24576 1 snd_soc_core
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 57344 1
snd_hda_codec_realtek 118784 1
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 53248 5
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_pcm 102400 7 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_soc_rt5640,snd_soc_core,snd_hda_core,snd_pcm_dmaengine
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_soc_core 237568 1 snd_soc_rt5640
snd_soc_rl6231 20480 1 snd_soc_rt5640
snd_soc_rt5640 143360 0
snd_timer 36864 2 snd_seq,snd_pcm
soundcore 16384 1 snd
sparse_keymap 16384 1 msi_wmi
stp 16384 1 garp
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 102400 1 nouveau
uas 28672 0
ums_realtek 24576 0
usbhid 53248 1 hid_logitech_dj
usb_storage 77824 3 uas,ums_realtek
uvcvideo 94208 0
v4l2_common 16384 1 uvcvideo
vboxdrv 471040 3 vboxpci,vboxnetadp,vboxnetflt
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxpci 24576 0
video 49152 3 msi_wmi,i915,nouveau
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 208896 4 v4l2_common,videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 3 msi_wmi,mxm_wmi,nouveau
x86_pkg_temp_thermal 20480 0
x_tables 40960 3 iptable_filter,ip_tables,iptable_mangle
>> iwconfig
wlan0 IEEE 802.11 ESSID:"Livebox-A3EC"
Mode:Managed Frequency:2.412 GHz Access Point: 28:9E:FC:AD:DA:82
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
Link Quality=70/70 Signal level=-28 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:48 Missed beacon:0
>> ifconfig -a
>> sudo iwlist scan
wlan0 Scan completed :
Cell 01 - Address: 28:9E:FC:AD:DA:82
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=70/70 Signal level=-26 dBm
Encryption key:on
ESSID:"Livebox-A3EC"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=320000c719e016a8
Extra: Last beacon: 60ms ago
IE: Unknown: 000C4C697665626F782D41334543
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D1601080400000000000000000000000000000000000000
IE: Unknown: 341601080400000000000000000000000000000000000000
IE: Unknown: DD180050F20201018A0003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD8F0050F204104A0001101044000102103B000103104700103A40414D4E4BF94CFC49403A3A40414D10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E34104200094E51313831323346461054000800060050F204000110110000100800020006103C0001011049000600372A000120
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Cell 02 - Address: 70:3A:D8:3B:BF:C8
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"Livebox-8877-AP"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=000001333ab259f2
Extra: Last beacon: 60ms ago
IE: Unknown: 000F4C697665626F782D383837372D4150
IE: Unknown: 010882848B961224486C
IE: Unknown: 030101
IE: Unknown: 2A0100
IE: Unknown: 32040C183060
IE: Unknown: 2D1AEE1117FFFF0000010000000000000000000000000C0000000000
IE: Unknown: 3D1601050600000000000000000000000000000000000000
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 0B0501001A127A
IE: Unknown: 4A0E14000A002C01C800140005001900
IE: Unknown: 7F0101
IE: Unknown: DD07000C4307000000
IE: Unknown: 0706434E20010D10
Cell 03 - Address: 1A:9E:FC:AD:DA:82
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=70/70 Signal level=-26 dBm
Encryption key:off
ESSID:"orange"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000c71a082180
Extra: Last beacon: 168ms ago
IE: Unknown: 00066F72616E6765
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: Unknown: 050400030004
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D1601080400000000000000000000000000000000000000
IE: Unknown: DD180050F2020101890003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
Cell 04 - Address: 94:9B:2C:34:F0:B0
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"CTK"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000013337bed85d
Extra: Last beacon: 60ms ago
IE: Unknown: 000343544B
IE: Unknown: 010882848B962430486C
IE: Unknown: 03010B
IE: Unknown: 0706465220010D1E
IE: Unknown: 2A0100
IE: Unknown: 32040C121860
IE: Unknown: 0B05000008127A
IE: Unknown: 470104
IE: Unknown: 7F06050008000000
IE: Unknown: AD0F00A0F80000010010000000A461705C
IE: Unknown: DD1E00A0F80300010000000000002C277AC800000000949B2C277AC80000140B
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
>> uname -r -m
5.3.0-53-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
>> nm-tool
>> nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
* Livebox-A3EC Infra 1 130 Mbit/s 100 ▂▄▆█ WPA1 WPA2
orange Infra 1 130 Mbit/s 100 ▂▄▆█ --
Livebox-8877-AP Infra 1 270 Mbit/s 30 ▂___ WPA1
CTK Infra 11 54 Mbit/s 30 ▂___ WEP
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 548eb06e-da68-3328-a374-c3f61ab49ca3 ethernet enp4s0
Livebox-A3EC 55ac338f-1e1f-45ad-a6f6-32b7830c9644 wifi wlan0
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no