CVE-2022-43443

Name: CVE-2022-43443
Creator: NVD / NIST
Published: 2022-12-19T03:15:10.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2022-43443 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. OS command injection vulnerability in Buffalo network devices allows an network-adjacent attacker to execute an arbitrary OS command if a specially crafted request is sent to the management page.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

OS command injection vulnerability in Buffalo network devices allows an network-adjacent attacker to execute an arbitrary OS command if a specially crafted request is sent to the management page.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.79%

51.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Buffalo	Wsr-3200ax4s Firmware	<= 1.26
Buffalo	Wsr-3200ax4b Firmware	1.25
Buffalo	Wsr-2533dhp2 Firmware	<= 1.22
Buffalo	Wsr-A2533dhp2 Firmware	<= 1.22
Buffalo	Wsr-2533dhp3 Firmware	<= 1.26
Buffalo	Wsr-A2533dhp3 Firmware	<= 1.26
Buffalo	Wsr-2533dhpl2 Firmware	<= 1.03
Buffalo	Wsr-2533dhpls Firmware	<= 1.07
Buffalo	Wsr-2533dhp Firmware	<= 1.08
Buffalo	Wsr-2533dhpl Firmware	<= 1.08
Buffalo	Wcr-1166ds Firmware	<= 1.34

References

Timeline

Published: Dec 19, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43443?

OS command injection vulnerability in Buffalo network devices allows an network-adjacent attacker to execute an arbitrary OS command if a specially crafted request is sent to the management page.

How severe is CVE-2022-43443?

CVE-2022-43443 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43443?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43443?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST