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Weak Credentials in Dell PowerProtect Data Domain DD OS

IdentifiersCVE-2026-23853CWE-1391· Use of Weak Credentials

CVE-2026-23853 is a use of weak credentials vulnerability affecting Dell PowerProtect Data Domain systems running Data Domain Operating System (DD OS). According to the provided content, affected versions include Feature Release versions 7.7.1.0 through 8.5, LTS2025 versions 8.3.1.0 through 8.3.1.20, and LTS2024 versions 7.13.1.0 through 7.13.1.50. The issue is classified as CWE-1391 and allows exploitation by an unauthenticated attacker with local access. Successful exploitation could result in unauthorized access to the affected system. The provided material does not identify a specific vulnerable function or component beyond the weak-credentials condition in DD OS deployments.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can lead to unauthorized access to the affected Dell PowerProtect Data Domain system. The supplied CVSS v3.1 vector (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates potential high impact to confidentiality, integrity, and availability once access is obtained.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce opportunities for local access to affected systems by strictly limiting physical and console access, restricting shell or maintenance access to trusted administrators only, enforcing strong credential management practices across the platform, and monitoring for unauthorized local login attempts. The provided content does not list vendor-specific temporary mitigations beyond applying the fixed versions.

Remediation

Patch, then assume compromise.

Upgrade affected Dell PowerProtect Data Domain DD OS installations to a remediated release. The provided content states that affected Feature Release versions 7.7.1.0 through 8.5 are remediated in DD OS 8.6.0.0 or later. Affected LTS2025 versions 8.3.1.0 through 8.3.1.20 are remediated in 8.3.1.30 or later. Affected LTS2024 versions 7.13.1.0 through 7.13.1.50 are remediated in 7.13.1.60 or later. Dell's advisory for this issue is DSA-2026-060.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Dell TechnologiesData Domain Operating Systemoperating_system
Dell TechnologiesPowerprotect Data Domainapplication
Dell TechnologiesPowerprotect Dp Series Applianceapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

6 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity4

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-23853
NVD
nvd.nist.gov/vuln/detail/CVE-2026-23853
MITRE CWE · CWE-1391
Use of Weak Credentials
Vendor Advisory
dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities