Security readout for executives and security teams
Plain-English summary
This CVE describes a critical memory corruption flaw in a Netgear R7000 router firmware build. The scoring says a remote, unauthenticated attacker could potentially compromise confidentiality, integrity, and availability. The bundle does not prove active exploitation or name a confirmed fixed version.
Executive priority
Treat this as urgent for any internet-exposed or business-critical R7000 routers. Prioritize inventory, exposure reduction, and vendor guidance review before assuming a patch exists.
Technical view
CVE-2022-37235 is reported as a stack buffer overflow in the wl binary in Netgear Nighthawk AC1900 R7000 firmware V1.0.11.134_10.2.119. It is associated with CWE-787 and CVSS 3.1 score 9.8, vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Likely exposure
Exposure is most likely where Netgear R7000 devices run firmware V1.0.11.134_10.2.119, especially if management or vulnerable network services are reachable from untrusted networks.
Exploitation context
The source bundle marks CISA KEV as false and provides no cited evidence of active exploitation. The CVSS vector indicates network reachability, low complexity, no privileges, and no user interaction, which makes unmanaged exposed devices high priority.
Researcher notes
The CVE record lacks structured affected CPE data and does not identify a fixed firmware. The GitHub report is cited for the wl binary stack overflow, but the bundle should be treated as incomplete for patch status and exploitation telemetry.
Mitigation direction
- Inventory Netgear R7000 routers and record exact firmware versions.
- Check Netgear security and R7000 download pages for vendor-confirmed guidance.
- Update firmware only when vendor documentation confirms an applicable release.
- Restrict router management access to trusted networks or VPN paths.
- Replace or isolate devices if no vendor-supported remediation is available.
Validation and detection
- Confirm whether any R7000 runs firmware V1.0.11.134_10.2.119.
- Verify router administration is not reachable from the public internet.
- Review Netgear release notes before declaring a device remediated.
- Check vulnerability management records for this CVE and affected assets.
- Monitor for unexpected router reboots, configuration changes, or service instability.
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-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2022-37235 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
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.netgear.com/about/security/CVE reference · x_refsource_MISC
- https://www.netgear.com/support/download/?model=R7000CVE reference · x_refsource_MISC
- https://github.com/Davidteeri/Bug-Report/blob/main/netgear-R7000-0x461bc.mdCVE 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.