A vulnerability in the affected NETGEAR gaming routers allows attackers with the ability to…
CVE-2026-9213 is a high-severity improper input validation vulnerability in MR70 from NETGEAR, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version V1.0.4.48 as the first without the flaw, so updating MR70 to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.4% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update MR70 to V1.0.4.48 or a later version.
- Update MS70 to V1.0.4.48 or a later version.
- Update RAXE500 to V1.2.14.114 or a later version.
- Read the advisory on kb.netgear.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| NETGEAR | MR70 | before V1.0.4.48 | V1.0.4.48 |
| NETGEAR | MS70 | before V1.0.4.48 | V1.0.4.48 |
| NETGEAR | RAXE500 | before V1.2.14.114 | V1.2.14.114 |
| NETGEAR | XR1000 | before V1.0.2.86 | V1.0.2.86 |
| NETGEAR | Mr70 Firmware | before 1.0.4.48 | 1.0.4.48 |
| NETGEAR | Ms70 Firmware | before 1.0.4.48 | 1.0.4.48 |
| NETGEAR | Raxe500 Firmware | before 1.2.14.114 | 1.2.14.114 |
| NETGEAR | Xr1000 Firmware | before 1.0.2.86 | 1.0.2.86 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 6.9 | Medium | CNA |
| CVSS 3.1 | 8.1 | High | NVD |
Official description
A vulnerability in the affected NETGEAR gaming routers allows attackers with the ability to intercept and tamper with traffic between the router and the Internet, to execute code on the device.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
How developers prevent this class of flaw
- Consider using language-theoretic security (LangSec) techniques that characterize inputs using a formal language and build recognizers for that language. This effectively requires parsing to be a distinct layer that effectively enforces a boundary between raw input and internal data representations, instead of allowing parser code to be scattered throughout the program, where it could be subject to errors or inconsistencies that create weaknesses.
- Use an input validation framework such as Struts or the OWASP ESAPI Validation API. Note that using a framework does not automatically address all input validation problems; be mindful of weaknesses that could arise from misusing the framework itself (CWE-1173).
- Understand all the potential areas where untrusted inputs can enter the product, including but not limited to: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other references
Recent Improper Input Validation vulnerabilities
- 7.5 High severity
- 8.4 High severity
- 8.1 High severity
- 9.6 Critical severity
- 8.0 High severity
- 9.1 Critical severity
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