Medium severity · published Sep 13, 2026
CVE-2025-70819
Zettlab D6 Ultra before 1.7.0 allows mounting /etc/passwd and /etc/shadow in a container via ".." manipulations such as volumes: - ../../../../../../../etc:/h_etc:rw in a compose…
6.3
CVSS
0.1%
EPSS
No
On KEV
Description
Zettlab D6 Ultra before 1.7.0 allows mounting /etc/passwd and /etc/shadow in a container via ".." manipulations such as volumes: - ../../../../../../../etc:/h_etc:rw in a compose file.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DU
D6 Ultra · Zettlab
before 1.7.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-70819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-70819
www.xda-developers.com
https://www.xda-developers.com/nas-wouldnt-give-ssh-access-hacked-into/
More from D6 Ultra
3.5
CVE-2025-70820
Zettlab D6 Ultra before 1.7.0 allows absolute path traversal to reach folders other than the personal folder