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ransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Foundransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Found
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CVE Watch—

CVE-2021-20090

Arcadyan Buffalo Firmware Path Traversal Vulnerability

CVSS

—

Sin CVSS

EPSS

100.0%

p100

KEV

SÍ

3 nov 2021

Exploit Today

80

0-100

Publicado: — · Última mod.: —

EPSS · 30d
100.0%EPSS · 30 días100.0%
2026-06-302026-07-16
Ficha del catálogo KEV

Producto

Arcadyan / Buffalo Firmware

Vulnerabilidad

Arcadyan Buffalo Firmware Path Traversal Vulnerability

Añadido a KEV

3 nov 2021

Remediar antes de

17 nov 2021

Uso conocido en ransomware

No

Descripción resumida

Arcadyan Buffalo firmware contains a path traversal vulnerability that could allow unauthenticated, remote attackers to bypass authentication and access sensitive information. This vulnerability affects multiple routers across several different vendors.

Acción requerida

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-20090

CVEs relacionados

Sin CVEs relacionados por CWE o producto.