CVE-2022-43486: Code Injection

Published 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.

Other sources

Hidden functionality vulnerability in 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, WCR-1166DS firmware Ver. 1.34 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 enable the debug functionalities and execute an arbitrary command on the affected device.

Affected Software

52 affected components
Buffalo WSR-3200AX4S firmware<=1.26
Buffalo WSR-3200AX4S
Buffalo WSR-3200AX4B firmware=1.25
Buffalo WSR-3200AX4B
Buffalo WSR-2533DHP2 firmware<=1.22
Buffalo WSR-2533DHP2
Buffalo WSR-A2533DHP2 firmware<=1.22
Buffalo WSR-A2533DHP2
Buffalo WSR-2533DHP3 firmware<=1.26
Buffalo WSR-2533DHP3
Buffalo WSR-A2533DHP3 firmware<=1.26
Buffalo WSR-A2533DHP3
Buffalo WSR-2533DHPL2 firmware<=1.03
Buffalo WSR-2533DHPL2
Buffalo WSR-2533DHPLS firmware<=1.07
Buffalo WSR-2533DHPLS
Buffalo WEX-1800AX4 firmware<=1.13
Buffalo WEX-1800AX4
Buffalo WEX-1800AX4EA firmware<=1.13
Buffalo WEX-1800AX4EA
Buffalo WSR-2533DHP firmware<=1.08
Buffalo WSR-2533DHP
Buffalo WSR-2533DHPL firmware<=1.08
Buffalo WSR-2533DHPL
Buffalo WCR-1166DS firmware<=1.34
Buffalo WCR-1166DS
All of the following
Buffalo WSR-3200AX4S firmware<=1.26
Buffalo WSR-3200AX4S
All of the following
Buffalo WSR-3200AX4B firmware=1.25
Buffalo WSR-3200AX4B
All of the following
Buffalo WSR-2533DHP2 firmware<=1.22
Buffalo WSR-2533DHP2
All of the following
Buffalo WSR-A2533DHP2 firmware<=1.22
Buffalo WSR-A2533DHP2
All of the following
Buffalo WSR-2533DHP3 firmware<=1.26
Buffalo WSR-2533DHP3
All of the following
Buffalo WSR-A2533DHP3 firmware<=1.26
Buffalo WSR-A2533DHP3
All of the following
Buffalo WSR-2533DHPL2 firmware<=1.03
Buffalo WSR-2533DHPL2
All of the following
Buffalo WSR-2533DHPLS firmware<=1.07
Buffalo WSR-2533DHPLS
All of the following
Buffalo WEX-1800AX4 firmware<=1.13
Buffalo WEX-1800AX4
All of the following
Buffalo WEX-1800AX4EA firmware<=1.13
Buffalo WEX-1800AX4EA
All of the following
Buffalo WSR-2533DHP firmware<=1.08
Buffalo WSR-2533DHP
All of the following
Buffalo WSR-2533DHPL firmware<=1.08
Buffalo WSR-2533DHPL
All of the following
Buffalo WCR-1166DS firmware<=1.34
Buffalo WCR-1166DS

Event History

Dec 19, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for this issue?

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

2

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).

3

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

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

4

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.

5

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.

Contact

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