Dell PowerProtect Data Domain DD OS Stack Buffer Overflow in DDSH CLI (DoS)
CVE-2025-43910 Published on October 7, 2025
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.3.0.15, LTS2025 release version 8.3.1.0, LTS2024 release versions 7.13.1.0 through 7.13.1.30, LTS 2023 release versions 7.10.1.0 through 7.10.1.60, contain a Stack-based Buffer Overflow vulnerability in the DDSH CLI. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Denial of service.
Vulnerability Analysis
CVE-2025-43910 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is a Stack Overflow Vulnerability?
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).
CVE-2025-43910 has been classified to as a Stack Overflow vulnerability or weakness.
Products Associated with CVE-2025-43910
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Affected Versions
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release:- Version 7.7.1.0 and below 8.4.0.0 is affected.
- Version 8.3.1.0 and below 8.3.1.10 is affected.
- Version 7.13.1.0 and below 7.13.1.40 is affected.
- Version 7.10.1.0 and below 7.10.1.70 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.