CVE-2021-20091

View on CVE.org

Published Apr 29, 2021 CVSS 3.1 · 8.8 High EPSS 8.5% KEV · Not listed

Description

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3

affected

Version	Status	Constraints
`WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 8.5% (8.458% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.tenable.com/security/research/tra-2021-13

History

No history.

Subscriptions

Buffalo Wsr-2533dhp3-bk Wsr-2533dhp3-bk Firmware Wsr-2533dhpl2-bk Wsr-2533dhpl2-bk Firmware

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 3, 2024, 5:30 PM

Status: PUBLISHED
Assigner: tenable
Published: Apr 29, 2021, 2:29 PM
Updated: Aug 3, 2024, 5:30 PM
Reserved: Dec 17, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:33 AM

Status: Modified
Published: Apr 29, 2021, 3:15 PM
Modified: Jun 17, 2026, 3:33 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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