Security readout for executives and security teams
Plain-English summary
CVE-2019-20715 is a stored cross-site scripting issue in several NETGEAR routers, gateways, and WiFi systems. A privileged attacker could store malicious script that later runs when another user interacts with the device interface. The business impact is limited but real: browser-session compromise or unauthorized changes may be possible in affected device administration contexts.
Executive priority
Treat this as a scheduled firmware hygiene item, not a crisis, unless affected management interfaces are exposed or shared among many administrators. Prioritize updates during normal network maintenance.
Technical view
The CVE describes stored XSS affecting specified NETGEAR D-series, DM200, R7500v2, R7800, and Orbi RBK/RBR/RBS50 firmware before listed fixed versions. CVSS 3.0 is 4.8, with network attack vector, low complexity, high privileges required, user interaction required, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is likely limited to organizations or users operating the named NETGEAR models on firmware older than the listed versions, especially where the management interface is reachable by administrators or semi-trusted users.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires high privileges and user interaction, reducing urgency compared with unauthenticated router flaws.
Researcher notes
The key constraints are PR:H and UI:R, so validation should focus on firmware version, administrative interface reachability, and who can write stored content in the device UI. No CWE is provided in the bundle.
Mitigation direction
- Check NETGEAR guidance for the affected model and firmware branch.
- Upgrade to the listed fixed firmware version or later where available.
- Restrict access to device administration interfaces to trusted networks.
- Review administrative accounts and remove unnecessary privileged users.
- Avoid exposing management interfaces to the public internet.
Validation and detection
- Inventory NETGEAR models listed in the CVE description.
- Record current firmware versions for each identified device.
- Compare versions against the fixed thresholds in the CVE description.
- Confirm administration interfaces are not internet-exposed.
- Check vendor advisory for model-specific upgrade instructions.
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-2019-20715 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
- 4.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:N/A:N/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:N/A:N/C:L/I:L/PR:H/S:C/UI:R1.72.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.8MediumVector: CVSS:3.0/AC:L/AV:N/A:N/C:L/I:L/PR:H/S:C/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000061213/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0248CVE 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.