Comba AC2400 devices are prone to password disclosure via a simple crafted /09/business/upgrade/upcfgAction.php?download=true request to the web management server. The request doesn't require any authentication and will lead to saving the DBconfig.cfg file. At the end of the file, the login information is stored in cleartext.
Conclusion & alert: CVE-2019-15654 is rated High Exploit Risk (66.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.40%). Core evidence: 1 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 ↗ |
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 | 2025-11-21 | 0.33% | 0.40% | +0.08% |
| 2 | 2025-11-18 | 0.40% | 0.33% | -0.08% |
| 3 | 2025-05-27 | — | 0.40% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| comba | ac2400_firmware | — | cpe:2.3:o:comba:ac2400_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.comba-telecom.com/en/news | Vendor Advisory |
| https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=26164 | Exploit Third Party Advisory |