CVE-2024-40088Public exploitNetwork attack vector

File metadata disclosure via path traversal

Published Oct 21, 2024 · Updated Jul 5, 2026

Directory traversal in the Boa webserver in Vilo Living Vilo Mesh Wi-Fi System 5.16.1.33 and earlier allows remote attackers to enumerate files. The HTTP request path is checked relative to /tmp without neutralizing traversal segments, so arbitrary-file existence and length affect the response. The unauthenticated TCP service on port 5432 can launch Boa on port 8023; LAN access is required, and file contents are not disclosed.

CVSS severity5.3
Medium
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Directory traversal in the Boa webserver in Vilo Living Vilo Mesh Wi-Fi System 5.16.1.33 and earlier allows remote attackers to enumerate files. The HTTP request path is checked relative to /tmp without neutralizing traversal segments, so arbitrary-file existence and length affect the response. The unauthenticated TCP service on port 5432 can launch Boa on port 8023; LAN access is required, and file contents are not disclosed.

The record

CVE
CVE-2024-40088
Published
Oct 21, 2024
Updated
Jul 5, 2026
Vendor
Vilo Living
Product
Vilo Mesh Wi-Fi System
Classifications
CWE-79, CWE-116, T1083
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 21, 2024CVE publishedPublication date reported by the CVE source.
  2. Jul 5, 2026Record 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=0 <=5.16.1.33

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Vilo Living · Vilo Mesh Wi-Fi Systemversion=0 <=5.16.1.33

Published CVSS scores

5.3CISA ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.7BYU Cybersecurity ResearchCVSS:3.1/AV:A/AC:L/PR:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-116Improper Encoding or Escaping of Output
T1083File and Directory Discovery

Public exploit references

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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