CVE-2026-26354: CWE-121: Stack-based Buffer Overflow in Dell PowerProtect Data Domain
Dell PowerProtect Data Domain running Domain Operating System versions 7. 7. 1. 0 through 8. 6, and certain LTS2024 and LTS2025 releases, contains a stack-based buffer overflow vulnerability. This flaw allows an unauthenticated remote attacker to potentially execute arbitrary commands on the affected system. The vulnerability is identified as CVE-2026-26354 with a high severity rating and a CVSS score of 8. 1. No official patch or remediation guidance has been provided yet by Dell. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-26354 is a stack-based buffer overflow vulnerability in Dell PowerProtect Data Domain's Domain Operating System versions 7.7.1.0 through 8.6, including specific LTS2024 and LTS2025 releases. The vulnerability allows an unauthenticated attacker with remote access to potentially execute arbitrary commands on the device. The CVSS 3.1 base score is 8.1, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and no known exploitation has been reported.
Potential Impact
Successful exploitation could lead to arbitrary command execution by an unauthenticated remote attacker, compromising the confidentiality, integrity, and availability of the affected system. This could result in full system compromise or disruption of backup and data protection services provided by Dell PowerProtect Data Domain.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit remote access to affected systems and monitor for unusual activity. Follow Dell's official communications for updates on patches or mitigations.
CVE-2026-26354: CWE-121: Stack-based Buffer Overflow in Dell PowerProtect Data Domain
Description
Dell PowerProtect Data Domain running Domain Operating System versions 7. 7. 1. 0 through 8. 6, and certain LTS2024 and LTS2025 releases, contains a stack-based buffer overflow vulnerability. This flaw allows an unauthenticated remote attacker to potentially execute arbitrary commands on the affected system. The vulnerability is identified as CVE-2026-26354 with a high severity rating and a CVSS score of 8. 1. No official patch or remediation guidance has been provided yet by Dell. There are no known exploits in the wild at this time.
CVSS v3.1
Score 8.1high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-26354 is a stack-based buffer overflow vulnerability in Dell PowerProtect Data Domain's Domain Operating System versions 7.7.1.0 through 8.6, including specific LTS2024 and LTS2025 releases. The vulnerability allows an unauthenticated attacker with remote access to potentially execute arbitrary commands on the device. The CVSS 3.1 base score is 8.1, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and no known exploitation has been reported.
Potential Impact
Successful exploitation could lead to arbitrary command execution by an unauthenticated remote attacker, compromising the confidentiality, integrity, and availability of the affected system. This could result in full system compromise or disruption of backup and data protection services provided by Dell PowerProtect Data Domain.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit remote access to affected systems and monitor for unusual activity. Follow Dell's official communications for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- dell
- Date Reserved
- 2026-02-13T18:05:27.825Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e913ed19fe3cd2cddf58d9
Added to database: 4/22/2026, 6:31:09 PM
Last enriched: 4/30/2026, 8:16:06 AM
Last updated: 6/6/2026, 4:31:07 PM
Views: 61
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