Home/CVE/A path traversal vulnerability was discovered in the Import Arc data archive functionality due to insufficient validatio
CVE

CVE-2025-40898

A path traversal vulnerability was discovered in the Import Arc data archive functionality due to insufficient validatio

A path traversal vulnerability was discovered in the Import Arc data archive functionality due to insufficient validation of the input file. An authenticated user with limited privileges, by uploading a specifically-crafted Arc data archive, can potentially write arbitrary files in arbitrary paths, altering the device configuration and/or affecting its availability.

HIGH · CVSS 8.1 EPSS 0.00133
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

2
nozominetworks cmc< 25.5.0
nozominetworks guardian< 25.5.0
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · prodsec@nozominetworks.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Dec 2025 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
siemens-csafSSA-827968
cisa-csafcisa-csaf-csaf_files-OT-white-2026-icsa-26-015-07
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.nozominetworks.com/NN-2025:15-01MitigationVendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-827968.html
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