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CVE-2024-40084: n/a

0
Critical
VulnerabilityCVE-2024-40084cvecve-2024-40084
Published: 10/21/2024 (10/21/2024, 00:00:00 UTC)
Source: CVE Database V5

Description

A Buffer Overflow in the Boa webserver of Vilo 5 Mesh WiFi System <= 5.16.1.33 allows remote, unauthenticated attackers to execute arbitrary code via exceptionally long HTTP methods or paths.

CVSS v3.1

Score 9.6critical

Attack Vector
Adjacent Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected software

Affected versions
<=5.16.1.33

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/05/2026, 21:52:32 UTC

Technical Analysis

This vulnerability is a buffer overflow (CWE-120) in the Boa webserver used by Vilo 5 Mesh WiFi System firmware versions <= 5.16.1.33. It can be triggered remotely without authentication by sending HTTP requests with excessively long methods or paths, leading to arbitrary code execution. The CVSS 3.1 base score is 9.6, reflecting critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and complete impact on confidentiality, integrity, and availability. There are no known exploits in the wild and no vendor-provided patch or mitigation at this time.

Potential Impact

Successful exploitation allows remote attackers to execute arbitrary code on the affected device without authentication, potentially leading to full system compromise. This impacts confidentiality, integrity, and availability of the device and network it serves.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the affected device's management interfaces and monitor for unusual HTTP requests with abnormally long methods or paths.

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Technical Details

Data Version
5.1
Assigner Short Name
mitre
Date Reserved
2024-07-05T00:00:00.000Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 699f6ca4b7ef31ef0b5671c5

Added to database: 02/25/2026, 21:41:56 UTC

Last enriched: 07/05/2026, 21:52:32 UTC

Last updated: 09/10/2026, 19:36:48 UTC

Views: 31

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