medium
6.8
Advisory Published
Updated

CVE-2022-43486

First published: Mon Dec 19 2022(Updated: )

Hidden functionality vulnerability in Buffalo network devices allows a network-adjacent attacker with an administrative privilege to enable the debug functionalities and execute an arbitrary command on the affected devices.

Credit: vultures@jpcert.or.jp vultures@jpcert.or.jp

Affected SoftwareAffected VersionHow to fix
Buffalo Wsr-3200ax4s Firmware<=1.26
Buffalo Wsr-3200ax4s Firmware
Buffalo WSR-3200AX4B Firmware=1.25
Buffalo WSR-3200AX4B Firmware
Buffalo WSR-A2533DHP2 Firmware<=1.22
Buffalo WSR-A2533DHP2 Firmware
Buffalo WSR-A2533DHP2 Firmware<=1.22
Buffalo WSR-A2533DHP2 Firmware
Buffalo WSR-A2533DHP3 Firmware<=1.26
Buffalo WSR-A2533DHP3 Firmware
Buffalo Wsr-a2533dhp3<=1.26
Buffalo WSR-A2533DHP3 Firmware
Buffalo Wsr-2533dhpl2-bk Firmware<=1.03
Buffalo WSR-2533DHPL2-BK
Buffalo WSR-2533DHPLS<=1.07
Buffalo WSR-2533DHPLS
Buffalo Wex-1800ax4ea Firmware<=1.13
Buffalo Wex-1800ax4ea Firmware
Buffalo Wex-1800ax4ea Firmware<=1.13
Buffalo Wex-1800ax4ea Firmware
Buffalo WSR-2533DHP Firmware<=1.08
Buffalo WSR-2533DHP Firmware
Buffalo Wsr-2533dhpls Firmware<=1.08
Buffalo Wsr-2533dhpl Firmware
Buffalo WCR-1166DS Firmware<=1.34
Buffalo WCR-1166DS Firmware
All of
Buffalo Wsr-3200ax4s Firmware<=1.26
Buffalo Wsr-3200ax4s Firmware
All of
Buffalo WSR-3200AX4B Firmware=1.25
Buffalo WSR-3200AX4B Firmware
All of
Buffalo WSR-A2533DHP2 Firmware<=1.22
Buffalo WSR-A2533DHP2 Firmware
All of
Buffalo WSR-A2533DHP2 Firmware<=1.22
Buffalo WSR-A2533DHP2 Firmware
All of
Buffalo WSR-A2533DHP3 Firmware<=1.26
Buffalo WSR-A2533DHP3 Firmware
All of
Buffalo Wsr-a2533dhp3<=1.26
Buffalo WSR-A2533DHP3 Firmware
All of
Buffalo Wsr-2533dhpl2-bk Firmware<=1.03
Buffalo WSR-2533DHPL2-BK
All of
Buffalo WSR-2533DHPLS<=1.07
Buffalo WSR-2533DHPLS
All of
Buffalo Wex-1800ax4ea Firmware<=1.13
Buffalo Wex-1800ax4ea Firmware
All of
Buffalo Wex-1800ax4ea Firmware<=1.13
Buffalo Wex-1800ax4ea Firmware
All of
Buffalo WSR-2533DHP Firmware<=1.08
Buffalo WSR-2533DHP Firmware
All of
Buffalo Wsr-2533dhpls Firmware<=1.08
Buffalo Wsr-2533dhpl Firmware
All of
Buffalo WCR-1166DS Firmware<=1.34
Buffalo WCR-1166DS Firmware

Remedy

https://www.buffalo.jp/news/detail/20221205-01.html

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2022-43486.

  • Which Buffalo network devices are affected by this vulnerability?

    The Buffalo network devices affected by this vulnerability are WSR-3200AX4S (firmware Ver. 1.26 and earlier), WSR-3200AX4B (firmware Ver. 1.25), WSR-2533DHP (firmware Ver. 1.08 and earlier), WSR-2533DHP2 (firmware Ver. 1.22 and earlier), WSR-A2533DHP2 (firmware Ver. 1.22 and earlier), WSR-2533DHP3 (firmware Ver. 1.26), WSR-A2533DHP3 (firmware Ver. 1.26), WSR-2533DHPL2 (firmware Ver. 1.03), WSR-2533DHPLS (firmware Ver. 1.07), WEX-1800AX4 (firmware Ver. 1.13), WEX-1800AX4EA (firmware Ver. 1.13), WSR-2533DHP, WSR-2533DHPL, and WCR-1166DS (firmware Ver. 1.34).

  • What is the severity rating of CVE-2022-43486?

    The severity rating of CVE-2022-43486 is medium with a score of 6.8.

  • What is the recommended action to fix this vulnerability?

    To fix this vulnerability, update the firmware of the affected Buffalo network devices to the latest version provided by Buffalo.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the JVN and Buffalo websites. Please refer to the provided references for details.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203