CVE-2021-20731

HIGH
8.8
CVSS Score
Published: June 9, 2021 at 01:05 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
4 products affected across 1 vendorWsr 1166DHP4 FirmwareWsr 1166DHP3 FirmwareWSR-1166DHP3

Using WSR-1166DHP3 and WSR-1166DHP4 by BUFFALO INC.?

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%

Description

WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allow an attacker to execute arbitrary OS commands with root privileges via unspecified vectors.

Affected

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

v ≤ 1.16
buffalo-wsr-1166dhp3 (same device)
v ≤ 1.02
buffalo-wsr-1166dhp4 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

CVSS

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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