Security readout for executives and security teams
Plain-English summary
CVE-2019-20679 is a high-severity access-control flaw in NETGEAR MR1100 devices running firmware before 12.06.08.00. A nearby attacker may be able to reach functions they should not access, potentially exposing or changing sensitive settings. The public bundle does not show confirmed exploitation.
Executive priority
Treat as a high-priority firmware remediation for any NETGEAR MR1100 still in use. Business urgency is highest where these devices support remote operations, executive travel, or field connectivity on shared or uncontrolled networks.
Technical view
The issue is missing function-level access control on NETGEAR MR1100 firmware before 12.06.08.00. CVSS 3.0 is 7.3 with adjacent attack vector, low complexity, no privileges, user interaction required, and high confidentiality and integrity impact. No CWE or CPE details are provided in the bundle.
Likely exposure
Exposure is likely limited to organizations or users with NETGEAR MR1100 mobile routers running firmware earlier than 12.06.08.00. The CVSS adjacent-network vector suggests risk is most relevant where attackers can access the same local or nearby network path.
Exploitation context
The source bundle does not cite active exploitation, and the CVE is not listed as KEV. Exploitation details are not provided. Risk should be evaluated based on firmware version, local network exposure, and whether untrusted users can interact with the device environment.
Researcher notes
The public metadata is sparse: affected vendor/product fields are n/a, no CWE is listed, and no exploit narrative is included. Use the NETGEAR advisory and firmware version threshold as the primary scoping evidence. Do not assume broader NETGEAR product impact from this bundle alone.
Mitigation direction
- Upgrade NETGEAR MR1100 firmware to 12.06.08.00 or later.
- Review NETGEAR advisory PSV-2018-0537 for vendor-specific guidance.
- Restrict management access to trusted networks and administrators.
- Remove untrusted users from adjacent network access where feasible.
- Track affected devices in vulnerability management until remediated.
Validation and detection
- Inventory NETGEAR MR1100 devices across offices, field kits, and mobile deployments.
- Confirm each device firmware version is 12.06.08.00 or later.
- Verify management interfaces are not reachable from untrusted local networks.
- Check vulnerability records for remediation evidence and exception owners.
- Review vendor advisory status before closing the finding.
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-2019-20679 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
- 7.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:A/A:N/C:H/I:H/PR:N/S:U/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:A/A:N/C:H/I:H/PR:N/S:U/UI:R2.15.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.3HighVector: CVSS:3.0/AC:L/AV:A/A:N/C:H/I:H/PR:N/S:U/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000061460/Security-Advisory-for-Missing-Function-Level-Access-Control-on-MR1100-PSV-2018-0537CVE 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.
