CVE-2009-4753

Nasu2fw41 vulnerability

CVSS

7.1

EPSS

3.0%

EPSS pct

86th

Exploited

No known

Multiple buffer overflows in the FTP server on the Addonics NAS Adapter NASU2FW41 with loader 1.17 allow remote attackers to cause a denial of service (TCP/IP outage) via long arguments to the (1) XRMD, (2) delete, (3) RNFR, or (4) RNTO command.

Affected vendor

Nas Adapter

Affected product

Nasu2fw41

CVSS vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2010-03-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2009-4753

Confirm whether Nas Adapter Nasu2fw41 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-4753.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-4753

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-4753 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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