Security readout for executives and security teams
Plain-English summary
Certain Vilo 5 Mesh WiFi firmware versions can disclose internal memory address information through the embedded web server without authentication. The immediate business risk is limited data exposure, but leaked memory details can reduce defenses if combined with another flaw. No active exploitation is cited in the provided sources.
Executive priority
Treat this as a moderate-priority network device hygiene issue. It is not currently evidenced as actively exploited, but affected WiFi infrastructure should be inventoried, exposure-limited, and updated when official guidance is available.
Technical view
CVE-2024-40090 describes an information disclosure flaw in the Boa webserver on Vilo 5 Mesh WiFi System firmware up to 5.16.1.33. The source says unauthenticated remote requests to the index page can leak uClibc and stack memory addresses. CVSS 3.1 is 4.3, with adjacent-network attack vector and low confidentiality impact.
Likely exposure
Organizations using Vilo 5 Mesh WiFi System firmware version 5.16.1.33 or earlier may be exposed, especially where the device web interface is reachable from untrusted adjacent networks. The CVE record’s affected vendor/product metadata is incomplete.
Exploitation context
The CVE is not listed as KEV in the provided bundle. The public description documents the vulnerability behavior, but the sources do not establish active exploitation, broad scanning, or a complete attack chain.
Researcher notes
The key gap is patch and vendor metadata. The CVE text identifies Vilo 5 firmware versions and Boa memory address leakage, but affected CPE fields are empty and no remediation version is cited in the provided bundle.
Mitigation direction
- Inventory Vilo 5 Mesh WiFi devices and firmware versions.
- Check Vilo or device vendor guidance for fixed firmware.
- Update affected firmware if an official fix is available.
- Restrict device web administration to trusted networks only.
- Replace or isolate devices if no supported fix exists.
Validation and detection
- Confirm whether any Vilo 5 devices run firmware 5.16.1.33 or earlier.
- Verify the web interface is not reachable from untrusted segments.
- Review vendor advisories for patch status and upgrade instructions.
- Track CVE-2024-40090 in vulnerability management records.
- Confirm compensating network controls are documented and enforced.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-319: Exact CWE lookup
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Open ATT&CK lookupCVE-2024-40090 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N2.81.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/byu-cybersecurity-research/vilo/blob/main/vulns/CVE-2024-40090.mdCVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Cleartext Transmission of Sensitive Information
Cleartext Transmission of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.