Security readout for executives and security teams
Plain-English summary
This issue can let an unauthenticated network attacker gain administrative control of a Vilo 5 Mesh WiFi router. For executives, the concern is loss of control over home or small-office network infrastructure, with possible confidentiality, integrity, and availability impact.
Executive priority
Prioritize within the next maintenance window, sooner if affected routers are reachable from untrusted networks or support critical connectivity.
Technical view
CVE-2024-40087 is a CWE-306 missing-authentication flaw in a custom TCP service on port 5432 affecting Vilo 5 Mesh WiFi System firmware up to 5.16.1.33. The published CVSS 3.1 score is 9.6 with no privileges or user interaction required.
Likely exposure
Exposure appears limited to Vilo 5 Mesh WiFi System devices running firmware <= 5.16.1.33. The source bundle does not provide CPEs or complete vendor/product metadata, so inventory confirmation is required.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Public vulnerability details exist, so defenders should treat reachable affected devices as high priority without claiming in-the-wild exploitation.
Researcher notes
Evidence is strong for missing authentication and high impact, but incomplete for exact vendor metadata, CPEs, patched versions, and real-world exploitation. Avoid assuming a fix exists until vendor guidance confirms it.
Mitigation direction
- Identify Vilo 5 Mesh WiFi devices and record firmware versions.
- Check Vilo or vendor guidance for firmware updates or official mitigations.
- Block TCP 5432 access from untrusted networks where feasible.
- Restrict router administrative access to trusted management networks.
- Replace or isolate affected devices if no vendor fix is available.
Validation and detection
- Confirm whether any Vilo 5 Mesh WiFi devices run firmware <= 5.16.1.33.
- Validate that TCP 5432 is not reachable from untrusted segments.
- Review router configuration for unexpected administrative access changes.
- Monitor network traffic for unusual connections to affected routers.
- Track the CVE record and vendor advisories for updated remediation guidance.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-40087 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
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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:C/C:H/I:H/A:H2.86CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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-2024-40087.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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.