Cyber Resilience

CVE-2025-8426

Critical

Published: 31 July 2025

Published
31 July 2025
Modified
06 August 2025
KEV Added
Patch
CVSS Score v3 9.4 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
EPSS Score 0.2176 95.9th percentile
Risk Priority 32 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-8426 is a critical-severity Path Traversal (CWE-22) vulnerability in Marvell Qconvergeconsole. Its CVSS base score is 9.4 (Critical).

Operationally, ranked in the top 4.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2025-8426 is a directory traversal vulnerability in the compressConfigFiles method of Marvell QConvergeConsole. The flaw arises from missing validation of user-supplied paths before they are used in file operations, enabling information disclosure or denial-of-service conditions on affected installations. It carries a CVSS score of 9.4 and is tracked under CWE-22.

Remote attackers can exploit the issue without authentication by supplying crafted paths to the compressConfigFiles method, allowing them to access sensitive files or disrupt service availability on the target system.

The issue was reported as ZDI-CAN-24915 and disclosed via the Zero Day Initiative advisory ZDI-25-733.

The EPSS score rose from lower values after the July 2025 disclosure to a peak of 0.3937 on 2025-12-11 before receding to the current 0.2176, indicating increased exploitation interest following public release.

EU & UK References

Vulnerability details

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…

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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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

marvell
qconvergeconsole
5.5.0.85

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References