CVE-2021-37384
A remote command execution (RCE) vulnerability in the web interface component of Furukawa 423-41W...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-37384- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2021-37384- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2021-23953
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.
- Record
EUVD-2021-23953- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7m3j-v6wq-hr22
A remote command execution (RCE) vulnerability in the web interface component of Furukawa 423-41W...
A remote command execution (RCE) vulnerability in the web interface component of Furukawa 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 allows unauthenticated attackers to send arbitrary commands to the device via unspecified vectors.
- Record
GHSA-7m3j-v6wq-hr22- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-37384 is a critical vulnerability (CVSS 9.8) in Furukawa 423-41w\/ac Firmware, published July 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.66%, the 76th percentile. No source names a fixed version.
References
cwe.mitre.org/data/definitions/94.html
owasp.org/www-community/attacks/Code_Injection
gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt
softwall.com.br/cves/publicacao-rce-html-injection-furukawa
nvd.nist.gov/vuln/detail/CVE-2021-37384
github.com/advisories/GHSA-7m3j-v6wq-hr22