RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this…
Priority MEDIUM 52CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to send arbitrary commands to the device via web interface.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01661 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:furukawa:423-41w\/ac_firmware:*:*:*:*:*:*:*:* | before 1.2.0 | Vulnerable | Furukawa |
| cpe:2.3:h:furukawa:423-41w\/ac:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Furukawa |
| cpe:2.3:o:furukawa:ld421-21w_firmware:*:*:*:*:*:*:*:* | before 1.5.0 | Vulnerable | Furukawa |
| cpe:2.3:h:furukawa:ld421-21w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Furukawa |
| cpe:2.3:o:furukawa:ld420-10r_firmware:*:*:*:*:*:*:*:* | before 1.4.0 | Vulnerable | Furukawa |
| cpe:2.3:h:furukawa:ld420-10r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Furukawa |
| cpe:2.3:o:furukawa:ld421-21wv_firmware:*:*:*:*:*:*:*:* | before 1.5.0 | Vulnerable | Furukawa |
| cpe:2.3:h:furukawa:ld421-21wv:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Furukawa |
- cpe:2.3:o:furukawa:423-41w\/ac_firmware:*:*:*:*:*:*:*:* Versions before 1.2.0 Vulnerable ·Furukawa
- cpe:2.3:h:furukawa:423-41w\/ac:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Furukawa
- cpe:2.3:o:furukawa:ld421-21w_firmware:*:*:*:*:*:*:*:* Versions before 1.5.0 Vulnerable ·Furukawa
- cpe:2.3:h:furukawa:ld421-21w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Furukawa
- cpe:2.3:o:furukawa:ld420-10r_firmware:*:*:*:*:*:*:*:* Versions before 1.4.0 Vulnerable ·Furukawa
- cpe:2.3:h:furukawa:ld420-10r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Furukawa
- cpe:2.3:o:furukawa:ld421-21wv_firmware:*:*:*:*:*:*:*:* Versions before 1.5.0 Vulnerable ·Furukawa
- cpe:2.3:h:furukawa:ld421-21wv:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Furukawa
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-37384
- 2026-10-03 Alias added: GHSA-7m3j-v6wq-hr22
References
More Furukawa 423-41w/ac Firmware vulnerabilities
- TI-2021-15341 Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-37384 · CVE Program
- CVE-2021-37384 · NVD
- FIRST EPSS
- GHSA-7m3j-v6wq-hr22 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences