8.8
CWE
78 77
Advisory Published
Updated

CVE-2022-43443: 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-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 and earlier, WSR-A2533DHP3 firmware Ver. 1.26 and earlier, WSR-2533DHPL firmware Ver. 1.08 and earlier, WSR-2533DHPL2 firmware Ver. 1.03 and earlier, WSR-2533DHPLS firmware Ver. 1.07 and earlier, and WCR-1166DS firmware Ver. 1.34 and earlier allows an network-adjacent attacker to execute an arbitrary OS command if a specially crafted request is sent to the management page.

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 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
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 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

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Frequently Asked Questions

  • What is the severity of CVE-2022-43443?

    The severity of CVE-2022-43443 is high, with a severity value of 8.8.

  • Which Buffalo network devices are affected by CVE-2022-43443?

    Buffalo network devices 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 and earlier, WSR-A2533DHP3 firmware Ver. 1.26 and earlier are affected by CVE-2022-43443.

  • How can I fix CVE-2022-43443?

    To fix CVE-2022-43443, update your Buffalo network device firmware to the latest version available.

  • Where can I find more information about CVE-2022-43443?

    You can find more information about CVE-2022-43443 at the following references: [JVN](https://jvn.jp/en/vu/JVNVU97099584/index.html), [Buffalo](https://www.buffalo.jp/news/detail/20221205-01.html).

  • What is the CWE category of CVE-2022-43443?

    The CWE category of CVE-2022-43443 is CWE-78 (Improper Neutralization of Special Elements used in an OS Command).

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