Cyber Resilience

CVE-2022-43486

Medium

Published: 19 December 2022

Published
19 December 2022
Modified
17 April 2025
KEV Added
Patch
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 0.0026 49.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43486 is a medium-severity Code Injection (CWE-94) vulnerability in Buffalo Wsr-3200Ax4S Firmware. Its CVSS base score is 6.8 (Medium).

Operationally, ranked at the 49.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

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
+3 more product configuration(s) — see NVD for full list

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.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References