TOTOLINK A800R V4.1.2cu.5032_B20200408 is vulnerable to Command Injection in downloadFile.cgi via the QUERY_STRING parameter.
Conclusion & alert: CVE-2025-28017 is rated High Exploit Risk (69.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.65%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). 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 ↗ | |
| — | 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 | 2026-06-04 | 2.36% | 1.65% | -0.71% |
| 2 | 2026-06-02 | 5.13% | 2.36% | -2.77% |
| 3 | 2026-06-01 | — | 5.13% | — |
Full EPSS history (27 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
3.9 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| totolink | a800r_firmware | 4.1.2cu.5032_b20200408 | cpe:2.3:o:totolink:a800r_firmware:4.1.2cu.5032_b20200408:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://locrian-lightning-dc7.notion.site/CVE-2025-28017-TOTOLINK-A800R-RCE-1938e5e2b1a280d696bbd25699fb5e97 | Exploit Third Party Advisory |
| https://locrian-lightning-dc7.notion.site/TOTOLINK-A800R-RCE-1938e5e2b1a280d696bbd25699fb5e97 | Exploit Third Party Advisory |