Security readout for executives and security teams
Plain-English summary
Some NETGEAR routers can allow command injection when running older firmware. The available CVE data rates this as medium severity because exploitation requires local access and high privileges, but successful abuse could fully affect confidentiality, integrity, and availability of the device.
Executive priority
Treat as a moderate infrastructure hygiene issue. It is not evidenced as actively exploited here, but affected routers can suffer high-impact compromise if the required access conditions are met.
Technical view
CVE-2017-18796 is a command injection vulnerability affecting specific NETGEAR router firmware versions. CVSS 3.0 is 6.7 with AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. The source bundle does not name a vulnerable endpoint, payload pattern, or detailed root cause.
Likely exposure
Exposure is limited to listed NETGEAR models running older firmware: R6400, R6700, R6900, R7000, R7000P, R6900P, and R7800 below the fixed versions named in the CVE description.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates a local attacker with high privileges is required, with no user interaction.
Researcher notes
The public bundle is sparse: it identifies affected models, firmware thresholds, CVSS, and NETGEAR advisory reference, but not exploitability details, vulnerable components, or proof-of-concept status. Avoid assuming remote exploitability from this record alone.
Mitigation direction
- Check NETGEAR advisory PSV-2016-0106 for model-specific vendor guidance.
- Upgrade affected routers to the fixed firmware version or later.
- Prioritize devices that are business-critical or managed by shared administrator accounts.
- Retire unsupported devices if fixed firmware is unavailable.
Validation and detection
- Inventory NETGEAR router models and current firmware versions.
- Compare firmware against the affected-version thresholds in the CVE record.
- Confirm upgraded devices report the expected fixed firmware or later.
- Review vendor advisory details before accepting residual risk.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-18796 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
- 6.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/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:H/I:H/PR:H/S:U/UI:N0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.7MediumVector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049366/Security-Advisory-for-Command-Injection-Vulnerability-on-Some-Routers-PSV-2016-0106CVE 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.