Security readout for executives and security teams
Plain-English summary
Some NETGEAR routers and Orbi systems include a FunJSQ component that exposes a LAN-side HTTP service. On vulnerable firmware, an unauthenticated device on the local network could inject operating-system commands. This is high business risk for affected models, especially in offices, branch sites, or homes where untrusted devices can join the LAN.
Executive priority
Treat as a high-priority firmware remediation for affected NETGEAR and Orbi devices. The issue does not require credentials, but sources describe LAN-side exposure rather than confirmed internet-wide exploitation. Patch first where internal network access is least controlled.
Technical view
CVE-2022-40619 is a CWE-77 command injection in the FunJSQ module on specified NETGEAR and Orbi models. The vulnerable LAN HTTP interface accepts unauthenticated input through the funjsq_access_token parameter. CVSS is 7.7 with network attack vector, high complexity, no privileges, no user interaction, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to affected NETGEAR router and Orbi firmware versions where the FunJSQ LAN HTTP service is present. Internet exposure is not stated in the sources. Risk increases where guest, BYOD, IoT, or compromised internal devices can reach the router’s LAN interface.
Exploitation context
The CVE record and advisories describe unauthenticated command injection over the LAN. CISA KEV is not indicated in the provided data, and the sources provided do not state active exploitation. Attackers would need network reachability to the device’s LAN-side service.
Researcher notes
Affected versions include R6230 before 1.1.0.112, R6260 before 1.1.0.88, R7000 before 1.0.11.134, R8900/R9000 before 1.0.5.42, XR300 before 1.0.3.72, RBR20/RBS20 before 2.7.2.26, and RBR50/RBS50 before 2.7.4.26. Avoid exploit validation; use version and exposure checks.
Mitigation direction
- Identify whether any listed NETGEAR or Orbi models are deployed.
- Upgrade affected devices to the fixed firmware versions or later named by NETGEAR.
- Prioritize sites with untrusted LAN, guest WiFi, or shared network access.
- Review NETGEAR’s advisory for model-specific firmware and update instructions.
- Restrict LAN access to router management surfaces where operationally possible.
Validation and detection
- Inventory router and Orbi model numbers and firmware versions.
- Compare firmware against the affected version thresholds in the CVE description.
- Confirm updates were successfully applied and persisted after reboot.
- Check whether untrusted LAN segments can reach router services.
- Monitor vendor guidance for any revised affected models or remediation details.
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.
CWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution 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-2022-40619 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
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L2.25.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
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.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.