CWE
78 77
Advisory Published
Updated

CVE-2022-43466: OS Command Injection

First published: Mon Dec 19 2022(Updated: )

Buffalo network devices WSR-3200AX4S firmware Ver. 1.26 and earlier, WSR-3200AX4B firmware Ver. 1.25, WSR-2533DHP2 firmware Ver. 1.22 and earlier, WSR-A2533DHP2 firmware Ver. 1.22 and earlier, WSR-2533DHP3 firmware Ver. 1.26 and earlier, WSR-A2533DHP3 firmware Ver. 1.26 and earlier, WSR-2533DHPL2 firmware Ver. 1.03 and earlier, WSR-2533DHPLS firmware Ver. 1.07 and earlier, WEX-1800AX4 firmware Ver. 1.13 and earlier, and WEX-1800AX4EA firmware Ver. 1.13 and earlier allows a network-adjacent attacker with an administrative privilege to execute an arbitrary OS command if a specially crafted request is sent to a specific CGI program.

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

Affected SoftwareAffected VersionHow to fix
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
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

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Frequently Asked Questions

  • What is CVE-2022-43466?

    CVE-2022-43466 is a vulnerability in Buffalo network devices WSR-3200AX4S firmware Ver. 1.26 and earlier, WSR-3200AX4B firmware Ver. 1.25, WSR-2533DHP2 firmware Ver. 1.22 and earlier, WSR-A2533DHP2 firmware Ver. 1.22 and earlier, WSR-2533DHP3 firmware Ver. 1.26 and earlier, WSR-A2533DHP3 firmware Ver. 1.26 and earlier, WSR-2533DHPL2 firmware Ver. 1.03, and WSR-2533DHPLS firmware Ver. 1.07 that allows unauthorized access to the device.

  • What is the severity of CVE-2022-43466?

    The severity of CVE-2022-43466 is medium with a CVSS score of 6.8.

  • How can I check if my Buffalo network device is affected by CVE-2022-43466?

    You can check if your Buffalo network device is affected by CVE-2022-43466 by referring to the vulnerability report provided by Buffalo or by contacting their support.

  • How do I fix the vulnerability CVE-2022-43466?

    To fix the vulnerability CVE-2022-43466, you need to update your Buffalo network device to the latest firmware version provided by Buffalo.

  • Where can I find more information about CVE-2022-43466?

    You can find more information about CVE-2022-43466 on the official JVN website (https://jvn.jp/en/vu/JVNVU97099584/index.html) and the Buffalo news page (https://www.buffalo.jp/news/detail/20221205-01.html).

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