How severe is CVE-2026-11738?

CVE-2026-11738 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-11738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11738?

CVE-2026-11738 primarily affects Netgear Be9300 Firmware. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-11738?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-11738 published?

CVE-2026-11738 was published on 2026-08-11 and last updated on 2026-09-09.

CVE-2026-11738

CVE-2026-11738 is a medium-severity vulnerability in Netgear Be9300 Firmware with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v4: 4.3
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Netgear Be9300 Firmware
Published: 2026-08-11
Last modified: 2026-09-09

Description

Insufficient input validation vulnerability in the listed NETGEAR models allows authenticated administrators connected to the local network to make unauthorized modification to router software and functionality.

Frequently asked questions

What is CVE-2026-11738?: Insufficient input validation vulnerability in the listed NETGEAR models allows authenticated administrators connected to the local network to make unauthorized modification to router software and functionality.
How severe is CVE-2026-11738?: CVE-2026-11738 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-11738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11738?: CVE-2026-11738 primarily affects Netgear Be9300 Firmware. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-11738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-11738 published?: CVE-2026-11738 was published on 2026-08-11 and last updated on 2026-09-09.

References

Affected products (26)

cpe:2.3:o:netgear:be9300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6700ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax120v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax28_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax29_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax30_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax36s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax70_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbr760_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rbs760_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs280_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs600_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs70_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs90_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Netgear Be9300 Firmware

CVE-2026-11814 — Medium (CVSS 6.8): A command injection vulnerability in the listed NETGEAR models allows a network-adjacent attacker with the ability to…

All CVEs affecting Netgear Be9300 Firmware →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-93952 — Critical (CVSS 10.0): VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access…
CVE-2026-77554 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi…
CVE-2026-77537 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi…
CVE-2026-48056 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download video content. Versions prior to 2.5.0…
CVE-2026-33267 — Critical (CVSS 10.0): Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.2.0…
CVE-2026-47668 — Critical (CVSS 10.0): DbGate is cross-platform database manager. In versions 7.1.8 and prior, DbGate's JSON script runner (`POST…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →