PT-2022-26921 · Buffalo · Wsr-2533Dhpls+4

Chuya Hayakawa · Published 2022-12-19 · Updated 2024-02-14 · CVE-2022-43443

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Buffalo network devices WSR-3200AX4S versions 1.26 and earlier Buffalo network devices WSR-3200AX4B version 1.25 Buffalo network devices WSR-2533DHP versions 1.08 and earlier Buffalo network devices WSR-2533DHP2 versions 1.22 and earlier Buffalo network devices WSR-A2533DHP2 versions 1.22 and earlier Buffalo network devices WSR-2533DHP3 versions 1.26 and earlier Buffalo network devices WSR-A2533DHP3 versions 1.26 and earlier Buffalo network devices WSR-2533DHPL versions 1.08 and earlier Buffalo network devices WSR-2533DHPL2 versions 1.03 and earlier Buffalo network devices WSR-2533DHPLS versions 1.07 and earlier Buffalo network devices WCR-1166DS versions 1.34 and earlier

Description The issue allows a network-adjacent attacker to execute an arbitrary OS command if a specially crafted request is sent to the management page.

Recommendations For WSR-3200AX4S versions 1.26 and earlier, update to a version later than 1.26. For WSR-3200AX4B version 1.25, update to a version later than 1.25. For WSR-2533DHP versions 1.08 and earlier, update to a version later than 1.08. For WSR-2533DHP2 versions 1.22 and earlier, update to a version later than 1.22. For WSR-A2533DHP2 versions 1.22 and earlier, update to a version later than 1.22. For WSR-2533DHP3 versions 1.26 and earlier, update to a version later than 1.26. For WSR-A2533DHP3 versions 1.26 and earlier, update to a version later than 1.26. For WSR-2533DHPL versions 1.08 and earlier, update to a version later than 1.08. For WSR-2533DHPL2 versions 1.03 and earlier, update to a version later than 1.03. For WSR-2533DHPLS versions 1.07 and earlier, update to a version later than 1.07. For WCR-1166DS versions 1.34 and earlier, update to a version later than 1.34.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2022-43443

Affected Products

Wcr-1166Ds

Wsr-2533Dhpls

Wsr-2533Dhp2

Wsr-2533Dhp3

Wsr-3200Ax4B

References · 5

• https://osv.dev/vulnerability/CVE-2022-43443 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-43443 · Security Note
• https://t.me/cvenotify/40808 · Telegram Post
• https://jvn.jp/en/vu/JVNVU97099584 · Note
• https://buffalo.jp/news/detail/20240131-01.html · Note