Security readout for executives and security teams
Plain-English summary
Some older NETGEAR routers can be affected by denial of service, which could disrupt network availability. The supplied sources do not indicate data theft, integrity loss, code execution, or active exploitation. Business urgency depends on whether listed models still support important sites, users, or operations and are running firmware older than the stated versions.
Executive priority
Handle as a moderate availability risk. It is not presented as data compromise, but affected routers can disrupt business connectivity. Prioritize validation and firmware remediation for critical network locations first.
Technical view
CVE-2017-18780 is a NETGEAR denial-of-service issue affecting multiple router models before specific firmware versions. CVSS 3.0 is 6.2 with availability high impact and no confidentiality or integrity impact. The vector lists local attack access, low complexity, no privileges, and no user interaction. No CWE or root-cause detail is provided.
Likely exposure
Exposure is most likely where listed NETGEAR models remain deployed with firmware below the versions named in the CVE description. Sources do not define internet-facing exploitability; the CVSS vector states local attack access.
Exploitation context
The source bundle does not show CISA KEV listing, active exploitation, public exploit activity, or weaponized details. Treat exploitation status as unconfirmed, not actively exploited based on the supplied evidence.
Researcher notes
The record provides affected models, version thresholds, and CVSS only. It does not include CWE, root cause, trigger path, proof of concept, or detailed mitigation beyond the NETGEAR advisory reference. Avoid assuming remote exploitability beyond the stated AV:L vector.
Mitigation direction
- Inventory environments for the listed NETGEAR models.
- Check each device firmware against the fixed-version thresholds in the CVE description.
- Review the NETGEAR advisory before applying firmware updates.
- Prioritize devices supporting critical offices, remote access, or operations.
- Retire unsupported or unmanaged affected devices where firmware cannot be validated.
Validation and detection
- Confirm model and firmware version from device management records.
- Compare versions with the CVE affected-version list.
- Document whether each device is below, at, or above the stated fixed version.
- Verify the NETGEAR advisory for model-specific update guidance.
- Track unresolved devices as availability risks until remediated.
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.
CVE-2017-18780 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
- 6.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:H/C:N/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:H/C:N/I:N/PR:N/S:U/UI:N2.53.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.2MediumVector: CVSS:3.0/AC:L/AV:L/A:H/C:N/I:N/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049539/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-2955CVE 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.