Security readout for executives and security teams
Plain-English summary
Some ELECOM wireless routers allow a logged-in administrator to trigger operating system command execution through a crafted request. This is serious on affected devices because command execution can compromise confidentiality, integrity, and availability, but it requires administrative privileges and adjacent-network reachability according to the supplied CVSS vector.
Executive priority
Prioritize remediation for affected routers that protect sensitive networks or have broadly reachable administration. This is not presented as actively exploited, but successful abuse gives high-impact device control. Handle through normal vulnerability management unless management access is exposed or admin credentials are weak.
Technical view
CVE-2024-39607 is CWE-78 OS command injection in listed ELECOM WRC router models. A user already logged in with administrative privilege can send a specially crafted request that executes arbitrary OS commands. CVSS 3.0 is 6.8 with AV:A, AC:L, PR:H, UI:N, S:U, and high CIA impact.
Likely exposure
Exposure is limited to organizations using the listed ELECOM WRC models at or below the affected firmware versions. Risk is higher where router administration is reachable from local or wireless networks with broadly shared administrator access. The supplied data does not establish internet-facing exposure.
Exploitation context
The supplied bundle does not indicate CISA KEV listing or active exploitation. Exploitation requires an authenticated administrative user and adjacent-network access. The practical concern is abuse after credential theft, insider misuse, or compromise of an administrator workstation.
Researcher notes
The evidence supports authenticated, adjacent-network command injection only. Do not assume unauthenticated exploitation, internet-scale exploitation, or confirmed exploit activity from the supplied sources. Fixed versions are not named in the bundle, so remediation should reference current ELECOM or JVN guidance.
Mitigation direction
- Inventory ELECOM WRC models and firmware versions against the affected list.
- Review ELECOM and JVN guidance for model-specific firmware updates or mitigations.
- Restrict router administration to trusted management networks only.
- Rotate administrator credentials where access may have been shared or exposed.
- Disable unnecessary remote or wireless administrative access where supported.
Validation and detection
- Confirm each router model and firmware version from the administrative interface or asset inventory.
- Check whether management access is limited to trusted administrators and networks.
- Review administrator account lists for unexpected users or shared credentials.
- Review router logs for unusual administrative sessions or configuration changes.
- Track vendor advisory updates for final fixed-version details.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-39607 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
- 6.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/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
2 official scoresWe 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:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.95.9jpcertCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.8MediumVector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base CVSS 3.0 score
6.8MediumVector: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/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://www.elecom.co.jp/news/security/20240730-01/CVE reference, jpcert
- https://jvn.jp/en/jp/JVN06672778/CVE reference, jpcert
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.