Marvell QConvergeConsole compressConfigFiles Directory Traversal Information Disclosure and Denial-of-Service Vulnerability. This vulnerability allows remote attackers to disclose sensitive information or to create a denial-of-service condition on affected installations of Marvell QConvergeConsole. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the compressConfigFiles method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose sensitive information or to create a denial-of-service condition on the system. Was ZDI-CAN-24915.
Conclusion & alert: CVE-2025-8426 is rated High Risk (76.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 21.76%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +7.38% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-05-27 | 14.38% | 21.76% | +7.38% |
| 2 | 2026-04-05 | 16.75% | 14.38% | -2.38% |
| 3 | 2026-03-06 | — | 16.75% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.4 | 3.0 | CRITICAL |
|
3.9 | 5.5 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| marvell | qconvergeconsole | 5.5.0.85 | cpe:2.3:a:marvell:qconvergeconsole:5.5.0.85:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-25-733/ | Vendor Advisory |