CVE-2022-43443 : OS command injection vulnerability in Buffalo network devices allows an network-

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.

Published 2022-12-19 03:15:11

Updated 2025-04-17 15:15:49

Source JPCERT/CC

View at NVD, CVE.org

Products affected by CVE-2022-43443

Buffalo » Wcr-1166ds Firmware
Versions up to, including, (<=) 1.34
cpe:2.3:o:buffalo:wcr-1166ds_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wcr-1166ds » Version: N/A
Buffalo » Wsr-3200ax4s Firmware
Versions up to, including, (<=) 1.26
cpe:2.3:o:buffalo:wsr-3200ax4s_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-3200ax4s » Version: N/A
Buffalo » Wsr-3200ax4b Firmware » Version: 1.25
cpe:2.3:o:buffalo:wsr-3200ax4b_firmware:1.25:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-3200ax4b » Version: N/A
Buffalo » Wsr-2533dhp2 Firmware
Versions up to, including, (<=) 1.22
cpe:2.3:o:buffalo:wsr-2533dhp2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-2533dhp2 » Version: N/A
Buffalo » Wsr-a2533dhp2 Firmware
Versions up to, including, (<=) 1.22
cpe:2.3:o:buffalo:wsr-a2533dhp2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-a2533dhp2 » Version: N/A
Buffalo » Wsr-2533dhp3 Firmware
Versions up to, including, (<=) 1.26
cpe:2.3:o:buffalo:wsr-2533dhp3_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-2533dhp3 » Version: N/A
Buffalo » Wsr-a2533dhp3 Firmware
Versions up to, including, (<=) 1.26
cpe:2.3:o:buffalo:wsr-a2533dhp3_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-a2533dhp3 » Version: N/A
Buffalo » Wsr-2533dhpl2 Firmware
Versions up to, including, (<=) 1.03
cpe:2.3:o:buffalo:wsr-2533dhpl2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-2533dhpl2 » Version: N/A
Buffalo » Wsr-2533dhpls Firmware
Versions up to, including, (<=) 1.07
cpe:2.3:o:buffalo:wsr-2533dhpls_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-2533dhpls » Version: N/A
Buffalo » Wsr-2533dhp Firmware
Versions up to, including, (<=) 1.08
cpe:2.3:o:buffalo:wsr-2533dhp_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-2533dhp » Version: N/A
Buffalo » Wsr-2533dhpl Firmware
Versions up to, including, (<=) 1.08
cpe:2.3:o:buffalo:wsr-2533dhpl_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Buffalo » Wsr-2533dhpl » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-43443

EPSS FAQ

0.25%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 48 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-43443

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
8.0	HIGH	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.1	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0	2025-04-17
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.8	HIGH	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-43443

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2022-43443

https://jvn.jp/en/vu/JVNVU97099584/

CVEs referencing this url
https://www.buffalo.jp/news/detail/20240131-01.html

CVEs referencing this url
https://www.buffalo.jp/news/detail/20221205-01.html

ルーター等の一部商品における複数の脆弱性とその対処方法 | バッファロー
Patch;Vendor Advisory

CVEs referencing this url
https://jvn.jp/en/vu/JVNVU97099584/index.html

JVNVU#97099584: Multiple vulnerabilities in Buffalo network devices
Third Party Advisory;VDB Entry

CVEs referencing this url

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Vulnerability Details : CVE-2022-43443

Products affected by CVE-2022-43443

Exploit prediction scoring system (EPSS) score for CVE-2022-43443

CVSS scores for CVE-2022-43443

CWE ids for CVE-2022-43443

References for CVE-2022-43443