Security readout for executives and security teams
Plain-English summary
Certain NETGEAR M4300 and M4200 fully managed switches can store malicious script content in affected firmware. If a privileged user later views that content, the browser could run it in the switch management context. The issue is medium severity and most relevant where switch administration is broadly accessible.
Executive priority
Treat this as a planned network-infrastructure hygiene item, not an emergency based on the provided evidence. Prioritize exposed or shared-management environments first, because successful abuse targets the administrative management context.
Technical view
CVE-2017-18825 is stored XSS affecting listed NETGEAR M4300 variants and M4200 before firmware 12.0.2.15. The CVSS 3.0 vector is 5.2 with local attack vector, high privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to organizations using the named NETGEAR switch models on firmware earlier than 12.0.2.15. Risk increases if management access is shared, weakly segmented, or available to users beyond trusted administrators.
Exploitation context
The bundle does not identify active exploitation, and the CVE is not marked KEV. Successful abuse appears constrained by high privileges and user interaction, but stored XSS can persist until removed or remediated.
Researcher notes
The source bundle gives model and fixed-version information but no CWE, payload details, or proof of exploitation. CVSS suggests exploitation needs high privileges and user interaction. The affected array is uninformative, so rely on the description and NETGEAR advisory.
Mitigation direction
- Upgrade affected switches to firmware 12.0.2.15 or later where available.
- Review the NETGEAR advisory for model-specific update instructions.
- Restrict switch management interfaces to trusted administration networks.
- Limit administrative access to necessary, named operators only.
- Inspect management configuration for unexpected stored content or changes.
Validation and detection
- Inventory NETGEAR M4300 and M4200 switches in the environment.
- Confirm each device firmware version is 12.0.2.15 or later.
- Verify management interfaces are not broadly reachable.
- Review administrative accounts and recent configuration changes.
- Document exceptions and track remediation ownership.
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
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CVE-2017-18825 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R
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:L/C:L/I:L/PR:H/S:C/UI:R1.13.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.2MediumVector: CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:H/S:C/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049040/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Fully-Managed-Switches-PSV-2017-1941CVE 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.