How severe is CVE-2017-18830?

CVE-2017-18830 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-18830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18830?

CVE-2017-18830 primarily affects Netgear M4300-28g Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-18830?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-18830 published?

CVE-2017-18830 was published on 2020-04-20 and last updated on 2026-06-17.

CVE-2017-18830

CVE-2017-18830 is a high-severity vulnerability in Netgear M4300-28g Firmware with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Netgear M4300-28g Firmware
Published: 2020-04-20
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by vertical privilege escalation. This affects M4300-28G before 12.0.2.15, M4300-52G before 12.0.2.15, M4300-28G-POE+ before 12.0.2.15, M4300-52G-POE+ before 12.0.2.15, M4300-8X8F before 12.0.2.15, M4300-12X12F before 12.0.2.15, M4300-24X24F before 12.0.2.15, M4300-24X before 12.0.2.15, M4300-48X before 12.0.2.15, and M4200 before 12.0.2.15.

Frequently asked questions

What is CVE-2017-18830?: Certain NETGEAR devices are affected by vertical privilege escalation. This affects M4300-28G before 12.0.2.15, M4300-52G before 12.0.2.15, M4300-28G-POE+ before 12.0.2.15, M4300-52G-POE+ before 12.0.2.15, M4300-8X8F before 12.0.2.15, M4300-12X12F before 12.0.2.15, M4300-24X24F before 12.0.2.15, M4300-24X before 12.0.2.15, M4300-48X before 12.0.2.15, and M4200 before 12.0.2.15.
How severe is CVE-2017-18830?: CVE-2017-18830 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-18830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18830?: CVE-2017-18830 primarily affects Netgear M4300-28g Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-18830?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-18830 published?: CVE-2017-18830 was published on 2020-04-20 and last updated on 2026-06-17.

References

https://kb.netgear.com/000049021/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Fully-Managed-Switches-PSV-2017-1205

Affected products (10)

cpe:2.3:o:netgear:m4300-28g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-52g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-28g-poe\+_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-52g-poe\+_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-8x8f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-12x12f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-24x24f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-24x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4300-48x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:m4200_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Netgear M4300-28g Firmware

CVE-2017-18858 — Critical (CVSS 9.8): Certain NETGEAR devices are affected by command execution. This affects M4200-10MG-POE+ 12.0.2.11 and earlier,…
CVE-2017-18837 — High (CVSS 7.8): Certain NETGEAR devices are affected by vertical privilege escalation. This affects M4300-28G before 12.0.2.15,…
CVE-2017-18829 — High (CVSS 7.8): Certain NETGEAR devices are affected by vertical privilege escalation. This affects M4300-28G before 12.0.2.15,…
CVE-2017-18826 — High (CVSS 7.8): Certain NETGEAR devices are affected by vertical privilege escalation. This affects M4300-28G before 12.0.2.15,…
CVE-2017-18822 — High (CVSS 7.8): Certain NETGEAR devices are affected by vertical privilege escalation. This affects M4300-28G before 12.0.2.15,…
CVE-2017-18838 — High (CVSS 7.8): Certain NETGEAR devices are affected by privilege escalation. This affects M4300-28G before 12.0.2.15, M4300-52G before…

All CVEs affecting Netgear M4300-28g Firmware →

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