Security readout for executives and security teams
Plain-English summary
CVE-2017-18824 is a directory traversal issue in certain NETGEAR fully managed switches. An attacker with local access could read limited files from affected devices. The business risk is mainly exposure of device data or configuration details, not direct takeover based on the provided CVSS.
Executive priority
Treat this as a targeted infrastructure hygiene item. Prioritize affected switches that support sensitive networks, have broad administrative access, or have delayed firmware maintenance.
Technical view
The CVE describes directory traversal affecting NETGEAR M4200 and multiple M4300 switch models before firmware 12.0.2.15. CVSS v3.0 is 4.0 with local attack vector, low complexity, no privileges, no user interaction, and low confidentiality impact only.
Likely exposure
Organizations using NETGEAR M4200 or listed M4300 managed switches on firmware earlier than 12.0.2.15 are potentially exposed. Structured CPE data is absent in the bundle, so inventory should rely on model and firmware checks.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not listed as KEV in the bundle. The CVSS vector indicates local attack vector and confidentiality-only impact, which lowers urgency compared with remotely exploitable infrastructure flaws.
Researcher notes
The bundle identifies affected products in narrative text but lacks structured CPE mappings. Avoid assuming other NETGEAR platforms are affected. Evidence supports a fixed-version threshold, not exploitability beyond the CVSS local confidentiality impact.
Mitigation direction
- Upgrade affected M4200 and M4300 switches to firmware 12.0.2.15 or later.
- Confirm exact model coverage against NETGEAR advisory PSV-2017-1942.
- Restrict switch management interfaces to trusted administrative networks.
- Check vendor guidance for any model-specific upgrade notes.
Validation and detection
- Inventory NETGEAR M4200 and M4300 switches in the environment.
- Record current firmware versions for each identified switch.
- Flag any listed model running firmware earlier than 12.0.2.15.
- Verify management access is limited to trusted administrators.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-18824 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:N/C:L/I:N/PR:N/S:U/UI:N
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AC:L/AV:L/A:N/C:L/I:N/PR:N/S:U/UI:N2.51.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4MediumVector: CVSS:3.0/AC:L/AV:L/A:N/C:L/I:N/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049041/Security-Advisory-for-Directory-Traversal-on-Some-Fully-Managed-Switches-PSV-2017-1942CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.