CVE-2025-34181
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
NetSupport Manager < 14.12.0001 contains an arbitrary file write vulnerability in its Connectivity Server/Gateway PUTFILE request handler. An attacker with a valid Gateway Key can supply a crafted filename containing directory traversal sequences to write files to arbitrary locations on the server. This can be leveraged to place attacker-controlled DLLs or executables in privileged paths and achieve remote code execution in the context of the NetSupport Manager connectivity service.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| NetSupport Software | Manager | 0 < 14.12.0001 | affected |
Weaknesses
- CWE-22: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://kb.netsupportsoftware.com/knowledge-base/updating-and-securing-netsupport-manager/
- https://www.vulncheck.com/advisories/netsupport-manager-authenticated-path-traversal-arbitrary-write-rce
- https://ret2.me/post/2025-12-04-exploiting-netsupport-gateway/
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