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Back to active CVEs
Medium · CVSS 4.3CVE-2026-9218

Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized accessCVE-2026-9218

Answer in brief

CVE-2026-9218 records a Medium severity (CVSS 4.3) vulnerability in Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access. The current sources do not mark it as known exploited. The current feed maps NETGEAR/CBR40 (generic), NETGEAR/R7000 (generic), NETGEAR/R7000P (generic), NETGEAR/RAX40 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 13, 2026Updated Oct 13, 2026Source checked Oct 13, 2026First seen by HOL Oct 13, 2026Material review Oct 13, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps NETGEAR/CBR40 (generic), NETGEAR/R7000 (generic), NETGEAR/R7000P (generic), NETGEAR/RAX40 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
NETGEAR/CBR40generic>=0 <**
NETGEAR/R7000generic>=0 <v1.0.11.130v1.0.11.130
NETGEAR/R7000Pgeneric>=0 <V1.3.3.152V1.3.3.152
NETGEAR/RAX40generic>=0 <V1.0.3.64V1.0.3.64

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for NETGEAR/CBR40, NETGEAR/R7000, NETGEAR/R7000P.
  2. 2Review the reported fix. Source-reported solution: Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in: ProductFixed VersionCBR40 (EoS) Orbi AC2200 Tri-band WiFi Cable Modem RouterWon't FixR7000 (EoS) Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router v1.0.11.130 https://www.netgear.com/support/product/r7000 R7000P (EoS) Nighthawk AC2300 Smart WiFi Dual Band Gigabit Router V1.3.3.152 https://www.netgear.com/support/product/r7000p RAX40 (EoS) Nighthawk AX4 4-Stream WiFi Router V1.0.3.64 https://www.netgear.com/support/product/rax40 Models marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.

Evidence timeline and material changes

  1. Published upstream

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 13, 2026

Sources and claim methodology

  • Source referencenetgear.com
  • Source referencenetgear.com
  • Source referencenetgear.com
  • Source referencenetgear.com
Upstream source description

Insufficient input validation vulnerability in time server (NTP) setting of the listed NETGEAR models allows an attacker who is connected to the router’s local network and has the router’s administrator credentials to run unauthorized commands on the router. This vulnerability could impact the integrity of the affected router. There is no impact on confidentiality or availability of the affected router.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ConnectBot SSH: Unbounded SSH field lengths can cause excessive memory allocationAlso CWE-20
  • Axios: CIDR-form NO_PROXY entries are ignored, causing proxy exclusion bypass for internal IP rangesSame generic ecosystem
  • Electron: Local race condition in Squirrel.Mac update installation on macOSSame generic ecosystem
  • asteval sandbox escape: arbitrary native memory read/write via numpy ctypes in default asteval InterpreterSame generic ecosystem
  • Plane: Unauthenticated Workspace Invitation Token LeakageSame generic ecosystem
  • Plane: XSS in work item commentsSame generic ecosystem

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-20
Source
CVE List V5
Source checked
Oct 13, 2026
References
4 linked sources
Open source record