Security readout for executives and security teams
Plain-English summary
This issue affects specific ELECOM wireless LAN routers. An attacker already on a nearby or local network, and authenticated to the router, could send a crafted request that causes the router to run arbitrary code. Router compromise can affect network trust, traffic control, and device availability.
Executive priority
Treat this as a high-priority network infrastructure issue if affected routers are in business use. The available evidence does not prove exploitation, but arbitrary code execution on routers can create broad downstream risk.
Technical view
CVE-2023-37565 is a code injection vulnerability in five ELECOM WRC-1167 router models at or below listed firmware versions. The CVE description states a network-adjacent authenticated attacker can execute arbitrary code through a specially crafted request. No CVSS vector, CWE, exploit details, or confirmed exploitation are provided in the bundle.
Likely exposure
Exposure is likely limited to environments using the named ELECOM WRC-1167 models with affected firmware, especially where router administration is reachable from local or wireless networks.
Exploitation context
The source bundle does not report active exploitation, public exploit availability, or CISA KEV listing. Exploitation requires network adjacency and authentication according to the CVE description.
Researcher notes
The bundle lacks CVSS, CWE, root-cause details, request surface, and patch metadata. Do not assume exploitability beyond network-adjacent authenticated access. Focus validation on model and firmware confirmation, administrative exposure, and vendor advisory updates.
Mitigation direction
- Inventory ELECOM WRC-1167 router models and firmware versions.
- Check ELECOM and JVN guidance for corrected firmware or replacement instructions.
- Restrict router administration to trusted users and trusted local networks.
- Remove unsupported affected routers if vendor-supported remediation is unavailable.
Validation and detection
- Confirm whether deployed model numbers match the affected product list.
- Compare installed firmware versions against the affected version thresholds.
- Verify router administration is not exposed beyond intended local networks.
- Review ELECOM and JVN advisories for current remediation status.
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.
Execution 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-2023-37565 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.elecom.co.jp/news/security/20230711-01/CVE reference
- https://jvn.jp/en/jp/JVN05223215/CVE reference
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.