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CVE Record

CVE-2017-18378: In NETGEAR ReadyNAS Surveillance before 1.4.3-17 x86 and before 1.1.4-7 ARM, $_GET['uploaddir'] is not esca...

In NETGEAR ReadyNAS Surveillance before 1.4.3-17 x86 and before 1.1.4-7 ARM, $_GET['uploaddir'] is not escaped and is passed to system() through $tmp_upload_dir, leading to upgrade_handle.php?cmd=writeuploaddir remote command execution.

HighCVSS 8.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2017-18378 is a command injection flaw in NETGEAR ReadyNAS Surveillance. Vulnerable versions can allow command execution through an application handler. The cited advisory identifies fixed versions: 1.4.3-17 for x86 and 1.1.4-7 for ARM. Legacy ReadyNAS Surveillance deployments should be treated as high-priority remediation targets.

Executive priority

Prioritize remediation where ReadyNAS Surveillance is still deployed, especially on reachable management networks. The issue has high severity and public exploit information, but the provided evidence does not show confirmed active exploitation.

Technical view

The flaw occurs because $_GET['uploaddir'] is not escaped before being passed to system() through $tmp_upload_dir, leading to command execution in upgrade_handle.php when the writeuploaddir command path is used. Sources list NETGEAR ReadyNAS Surveillance before 1.4.3-17 x86 and before 1.1.4-7 ARM as affected.

Likely exposure

Exposure is likely limited to environments running NETGEAR ReadyNAS Surveillance application versions older than 1.4.3-17 on x86 or 1.1.4-7 on ARM. The source bundle does not provide CPEs, exact appliance models, or internet-exposure prevalence.

Exploitation context

The CVE is not listed as KEV in the provided bundle. A public Exploit-DB reference exists, so exploit information is public, but the provided sources do not prove active exploitation in the wild.

Researcher notes

The source bundle provides the vulnerable parameter, sink, affected version thresholds, CVSS 3.0 score 8.4, and public references. It does not include CPEs, CWE mapping, authentication flow details beyond PR:N, or vendor model coverage.

Mitigation direction

  • Upgrade ReadyNAS Surveillance to 1.4.3-17 or later on x86 systems.
  • Upgrade ReadyNAS Surveillance to 1.1.4-7 or later on ARM systems.
  • Check NETGEAR advisory guidance for any platform-specific remediation details.
  • Restrict access to ReadyNAS Surveillance management interfaces until patched.
  • Retire unsupported ReadyNAS Surveillance instances if updates are unavailable.

Validation and detection

  • Inventory ReadyNAS devices for the ReadyNAS Surveillance application.
  • Confirm architecture: x86 or ARM.
  • Compare installed application version against the fixed versions.
  • Review exposure of surveillance and management interfaces to untrusted networks.
  • Check logs for unusual activity around the affected upgrade handler.
Prepared
Confidence
high
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2017-18378 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.4CVSS 3.0HighCVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N2.55.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.4High
CVSS 3.0 vector shape for CVE-2017-18378Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.