Low severity · published Sep 13, 2026
CVE-2025-70820
Zettlab D6 Ultra before 1.7.0 allows absolute path traversal to reach folders other than the personal folder
3.5
CVSS
0.3%
EPSS
No
On KEV
Description
Zettlab D6 Ultra before 1.7.0 allows absolute path traversal to reach folders other than the personal folder.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% 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-2025-70820
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-70820
www.xda-developers.com
https://www.xda-developers.com/nas-wouldnt-give-ssh-access-hacked-into/
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