Buffer overflow in Dell Data Domain Operating System
CVE-2025-46643
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.4.0.0, LTS2025 release version 8.3.1.10, LTS2024 release versions 7.13.1.0 through 7.13.1.40, LTS 2023 release versions 7.10.1.0 through 7.10.1.70, contain a Heap-based Buffer Overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000
Affected products
- Dell Data Domain Operating System — versions 8.4.0.0
- Dell Powerprotect Data Domain With Operating System (Dd OS) Feature Release — versions 7.7.1.0
- Dell Powerprotect Data Domain With Operating System (Dd OS) Lts2023 — versions 7.10.1.0
- Dell Powerprotect Data Domain With Operating System (Dd OS) Lts2024 — versions 7.13.1.0
- Dell Powerprotect Data Domain With Operating System (Dd OS) Lts2025 — versions 8.3.1.0
Weakness classification (CWE)
References
- www.dell.com/support/kbdoc/en-us/000405813/dsa-2025-415-security-update-for-del… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-46643?
- CVE-2025-46643 is a low-severity vulnerability in Dell Data Domain Operating System, classified under Heap-based Buffer Overflow. CVSS score: 2.3/10. Published 2026-01-09.
- How severe is CVE-2025-46643?
- Low severity. CVSS v3 base score is 2.3 out of 10.