CVE-2026-103780
Received Received - Intake

Stack-based Buffer Overflow in Dell PowerProtect Data Domain

Vulnerability report for CVE-2026-103780, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-28

Last updated on: 2026-10-28

Assigner: Dell

Description

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. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to command execution.

CVSS Scores

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Meta Information

Published
2026-10-28
Last Modified
2026-10-28
Generated
2026-10-28
AI Q&A
2026-10-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Attack-Flow Graph

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Executive Summary

Dell PowerProtect Data Domain versions 7.7.1.0 through 8.8, including specific LTS releases, have a stack-based buffer overflow vulnerability. An unauthenticated attacker with remote access could exploit this to execute arbitrary commands on the affected system.

Impact Analysis

This vulnerability allows remote attackers to gain control of the system, potentially leading to data theft, system damage, or disruption of backup operations. It could also enable lateral movement within a network if the system is connected to other devices.

Compliance Impact

Exploitation could lead to unauthorized access to sensitive data, violating GDPR's data protection requirements or HIPAA's security rules. Organizations may face legal penalties, loss of compliance certifications, and reputational damage if this vulnerability is not patched.

Mitigation Strategies

Apply the latest security patches from Dell for affected PowerProtect Data Domain versions immediately. Isolate vulnerable systems from untrusted networks to limit exposure. Monitor network traffic for unusual activity targeting these devices.

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