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CVE-2022-43443

HIGH
8.8
CVSS Score
Published: December 19, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:06 AM UTC
28 products affected across 1 vendorWsr A2533DHP2 FirmwareWsr 2533DHP2 FirmwareWsr 2533DHP Firmware

Using WXR-11000XE12 by BUFFALO INC.?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wcr 1166DS Firmware· Buffalo
95%
v ≤ 1.34
buffalo-wcr-1166ds (same device)
Wsr 2533DHP Firmware· Buffalo
95%
v ≤ 1.08
buffalo-wsr-2533dhp (same device)
Wsr 2533DHP2 Firmware· Buffalo
95%
v ≤ 1.22
buffalo-wsr-2533dhp2 (same device)
Wsr 2533DHP3 Firmware· Buffalo
95%
v ≤ 1.26
buffalo-wsr-2533dhp3 (same device)
Wsr 2533DHPL Firmware· Buffalo
95%
v ≤ 1.08
Wsr 2533DHPL2 Firmware· Buffalo
95%
v ≤ 1.03
buffalo-wsr-2533dhpl2 (same device)
Wsr 2533DHPLS Firmware· Buffalo
95%
v ≤ 1.07
buffalo-wsr-2533dhpls (same device)
Wsr 3200AX4B Firmware· Buffalo
95%
1.25firmware Ver. 1.25
buffalo-wsr-3200ax4b (same device)
Wsr 3200AX4S Firmware· Buffalo
95%
v ≤ 1.26
buffalo-wsr-3200ax4s (same device)
Wsr A2533DHP2 Firmware· Buffalo
95%
v ≤ 1.22
buffalo-wsr-a2533dhp2 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]
https://jvn.jp/en/vu/JVNVU97099584/
Source: [email protected]
https://www.buffalo.jp/news/detail/20240131-01.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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