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CVE-2026-27650

Published: Mar 27, 2026Updated: Mar 31, 2026 Sources: CVE List NVDCWE-78
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.9%
Top 44.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

OS Command Injection vulnerability exists in BUFFALO Wi-Fi router products. If this vulnerability is exploited, an arbitrary OS command may be executed on the products.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-78

Affected Products

BUFFALO Wi-Fi router productsBUFFALO INC.
Embedded
Hardware Firmware / storage-nas
wcr-1166dhpl firmwarebuffaloNetworking Infrastructure
wsr3600be4-kh firmwarebuffaloNetworking Infrastructure
wsr3600be4p firmwarebuffaloNetworking Infrastructure
wxr-1750dhp firmwarebuffaloNetworking Infrastructure
buffalo inc.commercialJPHardware Firmwareaka wnc01wh, buffalo wi-fi router products, wsr-2533dhp2
buffalocommercialTWNetworking Infrastructureaka wzr-600dhp firmware, wzr-1750dhp2 firmware, wzr-900dhp firmware
and 42 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://www.buffalo.jp/news/detail/20260323-01.html
buffalo.jp
https://jvn.jp/en/jp/JVN83788689/
jvn.jp

Timeline

Published
Mar 27, 2026
Last Updated
Mar 31, 2026

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