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About countermeasure to Wi-Fi WPA2 (Wi-Fi Protected Access II) vulnerability problem

Release Date: November 21, 2017 
Last Updated: December 19, 2017 

The Wi-Fi WPA2 (Wi-Fi Protected Access II) vulnerability information has been published.

We will show the information below.

Please be updated that the information will be changed or added without notice.

■Summary of problems

Details are explained in the sites below.

 CERT : Wi-Fi Protected Access (WPA) handshake traffic can be manipulated to induce nonce and session key reuse 

About content of countermeasure to vulnerability, please check the following.

■Target model

Panasonic Windows OS-equipped model (except FZ-E1 / FZ-F1).

■content of countermeasure

[1] OS

Microsoft has been informed of countermeasure to vulnerability.

Please apply the update program to the following target OS according to the guidance of Microsoft Corporation.

 Microsoft site 

[target OS]
Windows 7 SP1, Windows 8.1, Windows 10(Version1709 is not applicable)

[2] Wi-Fi driver

We will inform you of countermeasure for vulnerability.

Target model OS Countermeasure module
CF-AX3E
CF-LX3[E/J]
CF-LX6Y
CF-MX4E
CF-SX4E
CF-SZ6R
CF-XZ6R
Windows 10

Download ▶ Released on December 19, 2017

Windows 8.1 Currently confirming.
Please confirm Note-1 below.
Windows 7

CF-20[A/B/C/D]

Windows 10

Download ▶ Released on December 19, 2017

Windows 8.1 Currently confirming.
Please confirm Note-1 below.
Windows 7
CF-31[1/2/3/4]
CF-33[A/B/C/L/M/N/V/W]
CF-33[D/E/P/Q]
CF-53[2/3/4/5/7]
CF-54[A/B/C]
CF-54[D/E/F]
CF-54[G/H/J]
CF-C2C
CF-D1[N/Q]
FZ-G1F
FZ-G1[J/K/L/M/N]
FZ-G1[P/Q/R]
FZ-M1A
FZ-M1C
FZ-M1[D/ECD]
FZ-M1[ECF/F]
FZ-Q1A
FZ-Q1C
FZ-Q2[F/G]
FZ-R1[A/F]
FZ-Y1[C/D]
Windows 10

Download ▶ Released on December 19, 2017

Windows 8.1 Currently confirming.
Please confirm Note-1 below.
Windows 7
CF-19[Z/5/6/1/2]
CF-31[W/X/Y/S/U/V]
CF-53[S/J/M]
CF-AX2L
CF-C2A
CF-D1[G/K]
CF-H2[P/Q/S/F/G/H]
CF-SX2J
FZ-G1A
UT-MA6
UT-MB5
Windows 10
Windows 8.1
Windows 7
There is no release of countermeasure module.
Please confirm Note-1 below.

∗Note-1 : For models of "Currently confirming" and "no release", please take the following countermeasures.

• Countermeasure 1:

Please apply the update program according to the contents of the above "[1] OS".

• Countermeasure 2:

There is an effect of vulnerability only when WoWLAN is enabled.

(Wake on Wireless LAN : function to resume from sleep state by wireless LAN)

This function is disabled at the time of shipment and will not be enabled unless you change the setting.

[Method of Confirming Setting of WoWLAN]

  1. Open [Device Manager], open [Network adapters], right click [Intel(R) **** 8265 (or 8260/7265/7260/6250/6235/6205)], click [Properties].
  2. Click [Power Management] tab.
  3. WoWLAN is enabled if there is a second check from the top, or if there is also a third check.
  4. To disable the WoWLAN settings, uncheck the second check from the top and click [OK].

(Note)
If [Intel® Smart Connect Technology] is displayed in the task tray for your PC, Even if WoWLAN is enabled by the above confirmation method, there is no effect of vulnerability.

[3] ME (Intel® Management Engine)

It affects only when using the Intel® Active Management Technology (AMT) function via wireless LAN.

This function is disabled at the time of shipment and it will not be enabled unless you change the BIOS setting.