CVE-2023-41290Network attack vector

Sensitive file disclosure via path traversal

Published Apr 26, 2024 · Updated Aug 12, 2024

Path traversal in QNAP QuFirewall 2.4.x before 2.4.1 allows remote authenticated administrators to read unexpected files over a network. QNAP has not disclosed the affected request handler or how attacker-controlled path input escapes its intended directory. Administrator privileges and network access to the appliance are required, and the reported consequence is limited to reading and exposing sensitive file contents.

CVSS severity4.1
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in QNAP QuFirewall 2.4.x before 2.4.1 allows remote authenticated administrators to read unexpected files over a network. QNAP has not disclosed the affected request handler or how attacker-controlled path input escapes its intended directory. Administrator privileges and network access to the appliance are required, and the reported consequence is limited to reading and exposing sensitive file contents.

The record

CVE
CVE-2023-41290
Published
Apr 26, 2024
Updated
Aug 12, 2024
Vendor
Linn Products Limited
Product
QuFirewall
Classifications
CWE-22, CAPEC-126, T1005
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 26, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 12, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.4.0 <2.4.1
  2. Affected versionversion=2.4.x <2.4.1 ( 2024/02/01 )

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Linn Products Limited · QuFirewallversion=2.4.0 <2.4.1; version=2.4.x <2.4.1 ( 2024/02/01 )

Published CVSS scores

4.9NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.1QNAP Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC-126Path Traversal
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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