Important news

About the situation correspondence our investigation about weakness into WPA2

All the customers

We have particular kind consideration and are always very grateful.

There was announcement that there was weakness called "KRACKs" in WPA2 which was certification technology of wireless LAN.

Because this is weakness of WPA2 itself, it is for almost all wireless LAN main phone / cordless handsets connected not only our product using WPA2.
We are pushing forward investigation about our product zealously now.
We are released about target product, measures at any time in this page.

We would appreciate your updating as soon as measures firmware is released on target product in customer of the use.

In addition, object of this fragile problem becomes product having client function. As user of the use does not become a target with router mode and access point mode, please use in peace.

The situation that this weakness influences

  • 1.Target product

    (1)Wireless LAN router, portable router
    • When we use in repeater mode, cordless handset mode, it is limited.
    • In the case of the use with router mode, access point mode, we are inapplicable.
      ※It is router mode at the time of factory shipment.
    (2)Repeater, wireless LAN adapter (cordless handset)
    • When we use in repeater mode, cordless handset mode, influence is possible when we are connected to router (main phone).
    • In the case of the use with access point mode, we are inapplicable.
    (3)Network camera
    • When we are connected to router (main phone) in Wireless, influence is possible.
    • In the case of the use in wiring, we are inapplicable.

    Wireless LAN router

    Product Name Correspondence method Remarks Update day
    WRC-2533GST Under measures firmware preparations We do not influence with router mode (we set at the time of shipment), access point mode.
    Influence is possible only in repeater mode, cordless handset mode.
    2017/11/2
    WRC-2533GHBK2-T 2017/10/23
    WRC-1900GST 2017/11/7
    WRC-1900GHBK-S 2017/10/23
    WRC-1750GHBK-E
    WRC-1467GHBK-S
    WRC-1167GHBK2-S Under firmware exhibition for measures When it is connected with Internet, update is automatically carried out.
    When you update by manual operation, please download from this.
    2017/12/12
    WRC-1167GHBK-S Under measures firmware preparations We do not influence with router mode (we set at the time of shipment), access point mode.
    Influence is possible only in repeater mode, cordless handset mode.
    2017/10/23
    WRC-1167GEBK-S
    WRC-1167FEBK-S
    WRC-300FEBK-S
    WRC-F1900GHBK-S 2017/10/24
    WRC-1900GHBK-A
    WRC-1467GHBK-A
    WRC-600GHBK-A
    WRB-300FEBK
    WRC-F300NF

    Portable router

    Product Name Correspondence method Remarks Update day
    WRH-300CRBK Under measures firmware preparations We do not influence with router mode (we set at the time of shipment), access point mode.
    Influence is possible only in cordless handset mode.
    (This product is not equipped with repeater mode.)
    2017/10/24
    WRH-300CRWH
    WRH-300BK2-S
    WRH-300WH2-S
    WRH-300BK3 Under measures firmware preparations We do not influence with router mode (we set at the time of shipment), access point mode.
    Influence is possible only in repeater mode, cordless handset mode.
    WRH-300WH3
    WRH-300BK3-S
    WRH-300WH3-S
    WRH-300DR3-S
    WRH-300YG3-S
    WRH-300LB3-S
    WRH-300PN3-S
    WRH-583BK2
    WRH-583WH2
    WRH-583BK2-S
    WRH-583WH2-S
    WRH-583BU2-S
    WRH-583GN2-S
    WRH-583RD2-S
    WRH-583YL2-S

    Repeater

    Product Name Correspondence method Remarks Update day
    WRC-300FEBK-R Under measures firmware preparations We do not influence with access point mode.
    Influence is possible only in repeater mode.
    2017/10/24

    Wireless LAN adapter (cordless handset)

    Product Name Correspondence method Remarks Update day
    WDC-150SU2MBK Under measures driver preparations We do not influence with AP mode (main phone).
    Influence is possible only at client mode (cordless handset) time.
    2017/10/24
    WDC-150SU2MWH
    WDC-300SU2SBK
    WDC-300SU2SWH
    WDC-433SU2M2WH
    WDC-433SU2M2BK
    WDC-433DU2HBK Under measures driver preparations Influence is possible at client mode (cordless handset) time.
    (This product does not carry AP mode (main phone).)
    WDB-433SU2M2WH
    WDB-433SU2M2BK
    WDC-867U3
    WDC-867DU3S
    LAN-WH300NU2

    Network camera

    Product Name Correspondence method Remarks Update day
    NCC-EWNP100WH Under measures firmware preparations There is no influence at the time of Wired connection.
    Influence is possible only in wireless connection.
    2017/10/26
    NCC-EWF100RMWH
    NCC-EWF100RMWH2
    NCC-EWF100RWH
  • 2.Product which excludes

    Fixed Wireless Access point

    Product Name Update day
    WAB-M2133 2017/10/23
    WAB-I1750-PS
    WAB-S1167-PS
    WAB-S600-PS
    WAB-S300
    WAB-S1167P
    WAB-S300P
    WAB-S733IW-PD
    WAB-S300IW-PD 2017/12/13

    Wireless LAN router

    Product Name Update day
    WRC-1750GS 2018/1/18
    WRC-1167FS-B 2017/12/13
    WRC-1167FS-W

    Hotel router

    Product Name Update day
    WRH-300WH-H 2017/11/2

Update history

2017/10/18
We released this page
2017/10/23
1.We update product which object product 2 excludes
2017/10/24
1.We update target product
2017/10/26
1.We update target product
2017/11/2
1.We update product which object product 2 excludes
2017/11/7
1.We update target product
2017/12/12
1.We update information of target product WRC-1167GHBK2-S
2017/12/13
2.We update product WRC-1167FS excluding
2018/1/18
2.We update product WRC-1750GS excluding

Contact information

"ELECOM CO., LTD. customer service"

Phone number 0120-075-535 (toll free number)
Time in: From 10:00 to 12:00 from 13:00 to 18:00
From Monday to Friday (except holiday, the summer, the year-end and New Year specific holiday)

The above