Security readout for executives and security teams
Plain-English summary
CVE-2021-45614 is a critical pre-authentication command injection flaw in certain NETGEAR routers and WiFi systems. An attacker on an adjacent network could run commands without logging in. For affected firmware, this creates high risk of device compromise and network disruption. The source bundle does not show confirmed active exploitation.
Executive priority
Treat this as urgent for any affected NETGEAR devices because exploitation requires no login and could compromise network edge equipment. Prioritize inventory and firmware remediation, especially where devices support business connectivity or remote offices.
Technical view
The CVE describes unauthenticated command injection affecting listed NETGEAR D7000v2, LAX20, MK/MR/MS60, RAX-series, RBK/RBR/RBS 750 and 850, and XR1000 firmware below specified fixed versions. CVSS 3.1 is 9.6 with adjacent-network attack vector, low complexity, no privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to organizations or homes running the named NETGEAR router or WiFi system models on firmware below the fixed versions. The CVSS vector indicates an adjacent-network attacker, so local wireless or nearby network access is the most relevant exposure path.
Exploitation context
The provided sources support pre-authentication command injection and critical severity. They do not include exploit details, proof-of-concept status, or evidence of active exploitation. The CVE is not marked as CISA KEV in the supplied bundle.
Researcher notes
Evidence is concise and vendor-centered. The source bundle names affected models and fixed firmware thresholds, but does not provide CWE mapping, exploit maturity, proof-of-concept status, or detailed vulnerable interface information. Avoid assuming internet-routable exposure from the CVSS adjacent-network vector alone.
Mitigation direction
- Inventory the named NETGEAR models across business and remote-office networks.
- Upgrade affected devices to the fixed firmware versions listed in the CVE or NETGEAR advisory.
- Check NETGEAR guidance for model-specific remediation details before rollout.
- Replace or retire devices that cannot run a fixed firmware version.
Validation and detection
- Confirm each device model matches or does not match the affected product list.
- Compare installed firmware against the fixed version threshold for that exact model.
- Verify firmware updates completed successfully after maintenance.
- Document any remaining affected devices and compensating operational controls.
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-2021-45614 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
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/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:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N2.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000064141/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0520CVE reference · x_refsource_MISC
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.