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4.9

Dell PowerProtect Data Domain could crash from remote attack

CVE-2026-90725 · published 8 days ago
Summary

Versions of Dell PowerProtect Data Domain from 7.7.1.0 up to the latest LTS releases contain a coding error that can cause the system to stop working if a remote attacker exploits it. An attacker with high-level access could cause the appliance to become unavailable, affecting backups and data protection. Apply the vendor’s security update or patch as soon as possible to prevent the issue.

What to do
  • Update dell powerprotect data domain to version 8.9.0.0 or later or later.
Affected software
VendorProductAffected versions
dell powerprotect data domain < 8.9.0.0 or later
Original advisory text
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release ...
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Stack-based Buffer Overflow vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.9 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-121Stack-based Buffer Overflow
Timeline
Published27 Oct 2026
Updated4 Nov 2026
First seen27 Oct 2026
Sources
CVE-2026-90725 · NVD
CVE-2026-90725 · MITRE
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