Cyber Resilience

CVE-2022-43466

Medium

Published: 19 December 2022

Published
19 December 2022
Modified
17 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0087 75.6th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43466 is a medium-severity OS Command Injection (CWE-78) vulnerability in Buffalo Wsr-3200Ax4S Firmware. Its CVSS base score is 6.8 (Medium).

Operationally, ranked in the top 24.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

OS command injection vulnerability in Buffalo network devices allows a network-adjacent attacker with an administrative privilege to execute an arbitrary OS command if a specially crafted request is sent to a specific CGI program.

CWE(s)
CWE-78

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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
wex-1800ax4 firmware
≤ 1.13
buffalo
wex-1800ax4ea firmware
≤ 1.13

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References