CVE-2025-8426: Marvell QConvergeConsole compressConfigFiles Directory Traversal Information Disclosure and Denial-of-Service

This month

CRITICAL 9.4REMOTEDOWNGRADE

CVE-2025-8426 is a critical-severity flaw (CVSS 9.4) affecting qconvergeconsole. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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. T

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.4 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-07-31
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: marvell

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-31 18:15 UTCPublished CVE record published
2026-06-17 10:06 UTCUpdated Record last modified

marvell qconvergeconsole DOWNGRADE

Affected: 5.5.0.85

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.5.0.85

1. Check installed version

apt-cache policy qconvergeconsole || rpm -q qconvergeconsole || qconvergeconsole --version

2. No fixed release: DOWNGRADE to a release before 5.5.0.85 (Debian / Ubuntu)

apt-cache madison qconvergeconsole sudo apt install qconvergeconsole=<VERSION_BEFORE_5.5.0.85> sudo apt-mark hold qconvergeconsole

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list qconvergeconsole sudo dnf downgrade qconvergeconsole-<VERSION_BEFORE_5.5.0.85> sudo dnf versionlock add qconvergeconsole

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-8426?

qconvergeconsole: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-8426 being exploited?

CVE-2025-8426 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-8426 affect?

CVE-2025-8426 affects qconvergeconsole. Severity is critical (CVSS 9.4). 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 condi

How urgent is CVE-2025-8426?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-6807 HIGH 7.5 UPGRADE Marvell QConvergeConsole getDriverTmpPath Directory Traversal Information Disclosure Vulnerability
CVE-2025-6806 HIGH 7.5 UPGRADE Marvell QConvergeConsole decryptFile Directory Traversal Arbitrary File Write Vulnerability
CVE-2025-6805 CRITICAL 9.1 DOWNGRADE Marvell QConvergeConsole deleteEventLogFile Directory Traversal Arbitrary File Deletion Vulnerability
CVE-2025-6804 HIGH 7.5 UPGRADE Marvell QConvergeConsole compressFirmwareDumpFiles Directory Traversal Information Disclosure Vulnerability
CVE-2025-6803 HIGH 7.5 UPGRADE Marvell QConvergeConsole compressDriverFiles Directory Traversal Information Disclosure Vulnerability

References

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