CVE Intelligence
Low Memory corruption

CVE-2026-9216 — Insufficient input validation vulnerability exists in certain NETGEAR RAX Models

An insufficient input validation vulnerability in the listed NETGEAR RAX series models allows a network-adjacent attacker having network access (such as WiFi credentials) to crash the router's management UI. There is no confidentiality or integrity impact. A crash of the router's management UI does not impact the availability of the router's core services like WiFi network.

Published Sep 8, 2026 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: NETGEAR

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • EPSS 0.4% (30-day exploitation probability)+4

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
0.36%
ahead of 28% of scored CVEs · Oct 14, 2026
Affects
NETGEAR
RAX30 and 9 more
CVSS base
3.5
Low · 2 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (NETGEAR RAX30, Netgear Rax30 Firmware, NETGEAR RAX35…).
  2. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
  3. Search available logs for exploit probes matching the vulnerability class (memory corruption), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
NETGEAR RAX30 < V1.0.9.92 Vulnerable CVE Program (cve.org) e CISA ADP
Netgear Rax30 Firmware < 1.0.9.92 Vulnerable NIST National Vulnerability Database
NETGEAR RAX35 < V1.0.10.72 Vulnerable CVE Program (cve.org) e CISA ADP
Netgear Rax35 Firmware < 1.0.10.72 Vulnerable NIST National Vulnerability Database
NETGEAR RAX38 < V1.0.6.106 Vulnerable CVE Program (cve.org) e CISA ADP
Netgear Rax38 Firmware < 1.0.6.106 Vulnerable NIST National Vulnerability Database
NETGEAR RAX40 < V1.0.6.106 Vulnerable CVE Program (cve.org) e CISA ADP
Netgear Rax40 Firmware < 1.0.6.106 Vulnerable NIST National Vulnerability Database
NETGEAR RAXE300 < V1.0.9.82 Vulnerable CVE Program (cve.org) e CISA ADP
Netgear Raxe300 Firmware < 1.0.10.72 Vulnerable NIST National Vulnerability Database

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Adjacent
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
1.2 CVSS 4.0 Low — — a2826606-91e7-4eb6-899e-8484bd4575d5 via NIST National Vulnerability Database
1.2 CVSS 4.0 Low — — NETGEAR via CVE Program (cve.org) e CISA ADP
3.5 CVSS 3.1 Low 2.1 1.4 a2826606-91e7-4eb6-899e-8484bd4575d5 via NIST National Vulnerability Database
3.5 CVSS 3.1 Low — — NETGEAR via CVE Program (cve.org) e CISA ADP
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L (score shown at the top: a2826606-91e7-4eb6-899e-8484bd4575d5)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-121 · Stack-based Buffer Overflow

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.36%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Correlate service crashes/restarts with inbound traffic; repeated crashes may indicate attempts.
endpoint telemetry (EDR)crash dumps

Timeline

What happened to this CVE, newest first.

  • 2026
  • Affected products removed · 1
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Affected products added · netgear/raxe300
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Affected products removed · 1
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Affected products added · netgear/raxe300
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Affected products added · netgear/rax30, netgear/rax35, netgear/rax38, netgear/rax40, netgear/raxe300
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • SSVC assessment updated
    Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 13, 2026
  • CVSS changed · 3.5
    Oct 13, 2026 · NIST National Vulnerability Database
  • Source status changed · → Analyzed
    Oct 13, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 13, 2026 · NIST National Vulnerability Database
  • CVE published
    Sep 8, 2026 · NETGEAR

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

6 on the record

Elsewhere on this site

NETGEAR
every CVE for this vendor
Memory corruption
same class
CWE-121
other pages naming this weakness

Related CVEs (same products)

  • CVE-2026-9218 Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access 2d
  • CVE-2026-11731 Authentication Bypass Vulnerability in Certain NETGEAR RAX Series Models 2d
  • CVE-2026-11732 An insufficient input validation vulnerability in the website blocking feature (Block Sites) of... 2d
  • CVE-2026-11739 OS Command Injection in Netgear Ms90 Firmware Aug 11, 2026
  • CVE-2026-11738 Insufficient input validation in certain NETGEAR Nighthawk routers allows administrators to tamper with the device. Aug 11, 2026
  • CVE-2026-11814 Command injection vulnerability in certain NETGEAR Nighthawk and Orbi routers Aug 11, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No fixed version, patch or mitigation documented.
  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-9216 is "Insufficient input validation vulnerability exists in certain NETGEAR RAX Models", rated Low. It affects RAX30 (NETGEAR); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 3.5 describes technical severity. EPSS 0.36% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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