OS command injection vulnerability in WRC-F1167ACF all versions, and WRC-1750GHBK all versions allows an attacker who can access the product to execute an arbitrary OS command by sending a specially crafted request.
Conclusion & alert: CVE-2023-39944 is rated Moderate Risk (57.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.23%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.26% | 1.23% | -0.03% |
| 2 | 2026-06-14 | 1.25% | 1.26% | +0.01% |
| 3 | 2026-05-13 | — | 1.25% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| elecom | wrc-f1167acf_firmware | — | cpe:2.3:o:elecom:wrc-f1167acf_firmware:*:*:*:*:*:*:*:* |
| elecom | wrc-1750ghbk_firmware | — | cpe:2.3:o:elecom:wrc-1750ghbk_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/vu/JVNVU91630351/ | Third Party Advisory |
| https://www.elecom.co.jp/news/security/20230810-01/ | Vendor Advisory |