A command injection vulnerability in the API of the Wavlink WL-WN531P3 router, version M31G3.V5030.201204, allows an attacker to achieve unauthorized remote code execution via a malicious POST request through /cgi-bin/adm.cgi.
Conclusion & alert: CVE-2022-23900 is rated High Exploit Risk (87.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.85%, 90th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.81% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-04-29 | 4.04% | 5.85% | +1.81% |
| 2 | 2025-04-21 | 2.98% | 4.04% | +1.06% |
| 3 | 2025-04-20 | — | 2.98% | — |
Full EPSS history (23 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| wavlink | wl-wn531p3_firmware | m31g3.v5030.201204 | cpe:2.3:o:wavlink:wl-wn531p3_firmware:m31g3.v5030.201204:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://stigward.medium.com/wavlink-command-injection-cve-2022-23900-51988f6f15df | Exploit Third Party Advisory |
| https://www.wavlink.com/en_us/product/WL-WN531P3.html | Product Vendor Advisory |