CVE-2025-46605: Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 throug

Q: How do I fix CVE-2025-46605?

data domain operating system: upgrade to 8.6.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-46605 being exploited?

CVE-2025-46605 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-46605 affect?

CVE-2025-46605 affects data domain operating system. Severity is medium (CVSS 6.2). Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 through 8.5 contain a session fixation vulnerability. A high privileged attacker with remote access could potentially exploit this vulne

Q: How urgent is CVE-2025-46605?

Priority 28/100. No elevated risk signals yet.

Routine

MEDIUM 6.2UPGRADE

CVE-2025-46605 is a medium-severity flaw (CVSS 6.2) affecting data domain operating system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 through 8.5 contain a session fixation vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-384
Published	2026-04-17
Last modified	2026-10-07

Publisher (CNA): Dell · Vendor: dell

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-17 12:16 UTCPublished CVE record published
2026-10-07 09:10 UTCUpdated Record last modified

dell data domain operating system UPGRADE

Affected: >= 8.4.0.0 and < 8.6.0.0

Fixed in: 8.6.0.0

Safe to downgrade to: a release before 8.4.0.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2025-46605?

data domain operating system: upgrade to 8.6.0.0. Exact commands for each OS are on this page.

Is CVE-2025-46605 being exploited?

CVE-2025-46605 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-2025-46605 affect?

CVE-2025-46605 affects data domain operating system. Severity is medium (CVSS 6.2). Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 through 8.5 contain a session fixation vulnerability. A high privileged attacker with remote access could potentially exploit this vulne

How urgent is CVE-2025-46605?

Priority 28/100. No elevated risk signals yet.

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-23778 HIGH 7.2 UPGRADE UPGRADE Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 th
CVE-2026-35073 MEDIUM 6.7 UPGRADE Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6.0.0 and version 8.7.0.0, LTS2025 release versions
CVE-2026-35074 MEDIUM 6.7 UPGRADE UPGRADE Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6.0.0 and version 8.7.0.0, LTS2025 release versions
CVE-2026-23776 HIGH 7.2 UPGRADE UPGRADE Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 th
CVE-2026-35153 MEDIUM 6.7 UPGRADE UPGRADE Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6.0.0 and version 8.7.0.0, LTS2025 release versions

References

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