CVE-2017-17968Nettransport Download Manager Memory Corruption
A buffer overflow vulnerability in NetTransport.exe in NetTransport Download Manager 2.96L and earlier could allow remote HTTP servers to execute arbitrary code on NAS devices via a long HTTP response.
Published Dec 29, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-17968 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Nettransport Download Manager (Xi-Soft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 39% probability of exploitation in the next 30 days.
- Fixed versions are available, including Nettransport Download Manager 2.96l.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
39%
Higher than 98.5% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
56/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
3
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
A buffer overflow vulnerability in NetTransport.exe in NetTransport Download Manager 2.96L and earlier could allow remote HTTP servers to execute arbitrary code on NAS devices via a long HTTP response.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Nettransport Download ManagerXi-Soft | See advisory | 2.96l |
Patched Releases
Nettransport Download Manager
2.96l
Timeline
Publicly disclosed
Dec 29, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- exploitMSF nettransport.rb
- exploitExploitDB-43408
- exploit43408
FAQ
Common Questions.
A buffer overflow vulnerability in NetTransport.exe in NetTransport Download Manager 2.96L and earlier could allow remote HTTP servers to execute arbitrary code on NAS devices via a long HTTP response.
Affected: Nettransport Download Manager (Xi-Soft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Nettransport Download Manager 2.96l.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-17968 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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