Improper authentication vulnerability in Archer C20 firmware versions prior to 'Archer C20(JP)_V1_230616' allows a network-adjacent unauthenticated attacker to execute an arbitrary OS command via a crafted request to bypass authentication.
Conclusion & alert: CVE-2023-37284 is rated Moderate Risk (45.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.36%). 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 | 0.02% | 0.36% | +0.34% |
| 2 | 2025-11-21 | 0.16% | 0.02% | -0.14% |
| 3 | 2025-11-18 | — | 0.16% | — |
Full EPSS history (11 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 |
|---|---|---|---|
| tp-link | archer_c20_firmware | < 230616 | cpe:2.3:o:tp-link:archer_c20_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/vu/JVNVU99392903/ | Third Party Advisory |
| https://www.tp-link.com/jp/support/download/archer-c20/v1/#Firmware | Product |