CVE-2025-43910: dell data_domain_operating_system Stack-based Buffer Overflow

Vulnerability summary

CVE-2025-43910 is a medium (CVSS 4.4) Stack-based Buffer Overflow vulnerability in dell data_domain_operating_system. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.2% of scored vulnerabilities.

Timeline

1. 07-10-2025
   PublishedVulnerability first disclosed.
2. 07-10-2025
   Last modifiedVulnerability information updated.

Description

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.

• CWE-121Stack-based Buffer OverflowA 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).