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Improper Input Validation in Dell PowerProtect Data Domain DD OS

IdentifiersCVE-2026-24505CWE-20· Improper Input Validation

CVE-2026-24505 is an improper input validation vulnerability in Dell PowerProtect Data Domain products running Data Domain Operating System (DD OS), including Dell PowerProtect Data Domain appliances, Data Domain Virtual Edition (DDVE), Dell APEX Protection Storage, and affected PowerProtect DP Series Appliance deployments. According to the provided content, affected versions span DD OS feature releases 7.7.1.0 through 8.6.0.0. The flaw can be exploited by a high-privileged attacker with remote access and may lead to arbitrary command execution with root privileges. The available source material does not identify the specific vulnerable function, parameter, or code path beyond classifying the issue as improper input validation.

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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 result in arbitrary command execution as root on the affected Data Domain system. This gives an attacker full control over the appliance or virtual instance, with likely complete compromise of confidentiality, integrity, and availability of the backup platform and any data or operations it manages.

Mitigation

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

If immediate patching is not possible, limit remote administrative access to trusted management networks only, minimize the number of high-privilege accounts, and restrict use of privileged interfaces through network segmentation and access controls. Monitor for suspicious privileged activity and unexpected command execution on DD OS systems. The provided content does not include any vendor-specific workaround beyond upgrading.

Remediation

Patch, then assume compromise.

Upgrade affected systems to a remediated release. The provided content states Dell fixed CVE-2026-24505 in DD OS 8.6.1.10 and 8.7.0.0 or later. For PowerProtect DP Series Appliance deployments, Dell remediated the issue in version 2.7.9 with DD OS 8.3.1.30. Apply the vendor-provided updates across affected physical appliances, DDVE instances, Dell APEX Protection Storage, and dependent DP Series deployments.
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

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

2 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 activity

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

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-24505
NVD
nvd.nist.gov/vuln/detail/CVE-2026-24505
MITRE CWE · CWE-20
Improper Input Validation
Vendor Advisory
dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities