Security readout for executives and security teams
Plain-English summary
Some NETGEAR D3600, D6000, and XR500 devices allow command injection after authentication. A successful attacker could compromise confidentiality, integrity, and availability of the device. The issue is serious, but the source bundle does not show active exploitation or unauthenticated remote access.
Executive priority
Treat as high priority where affected NETGEAR devices exist in production or branch networks. The vulnerability is not reported as actively exploited in the provided sources, but command injection on network equipment can lead to serious operational and security impact.
Technical view
CVE-2019-20710 is post-authentication command injection affecting D3600 before 1.0.0.76, D6000 before 1.0.0.76, and XR500 before 2.3.2.32. CVSS 3.0 score is 7.1 with adjacent-network attack vector, high attack complexity, low privileges required, no user interaction, and high CIA impact.
Likely exposure
Exposure is likely limited to organizations running the named NETGEAR devices below the fixed firmware versions, especially where device administration is reachable from user or shared network segments.
Exploitation context
The bundle marks KEV as false and provides no cited evidence of active exploitation. The CVSS vector indicates exploitation requires adjacent network access and authentication, which lowers broad internet-scale risk but still matters for compromised insiders or attackers already on the local network.
Researcher notes
The source bundle lacks CWE mapping, vulnerable endpoint details, and exploit evidence. Analysis should stay at version, model, and access-condition level unless the NETGEAR advisory supplies more specifics during remediation review.
Mitigation direction
- Inventory NETGEAR D3600, D6000, and XR500 devices.
- Upgrade D3600 and D6000 to 1.0.0.76 or later.
- Upgrade XR500 to 2.3.2.32 or later.
- Review the NETGEAR advisory for model-specific guidance.
- Restrict administrative access to trusted management networks.
Validation and detection
- Confirm device model and firmware version from asset records.
- Check whether any listed model runs below the fixed version.
- Verify administrative interfaces are not exposed to untrusted segments.
- Review logs for unusual authenticated administrative activity.
- Document remediation status for each affected device.
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-2019-20710 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
- High
- CVSS
- 7.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:H/AV:A/A:H/C:H/I:H/PR:L/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:H/AV:A/A:H/C:H/I:H/PR:L/S:U/UI:N1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.1HighVector: CVSS:3.0/AC:H/AV:A/A:H/C:H/I:H/PR:L/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000061219/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Gateways-PSV-2018-0338CVE 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.