How severe is CVE-2023-28338?

CVE-2023-28338 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-28338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28338?

CVE-2023-28338 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28338?

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-2023-28338 published?

CVE-2023-28338 was published on 2023-03-15 and last updated on 2026-06-17.

CVE-2023-28338

CVE-2023-28338 is a high-severity vulnerability in Netgear Rax30 Firmware with a CVSS 3.x base score of 7.5. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Netgear Rax30 Firmware
Published: 2023-03-15
Last modified: 2026-06-17

Description

Any request send to a Netgear Nighthawk Wifi6 Router (RAX30)'s web service containing a “Content-Type” of “multipartboundary=” will result in the request body being written to “/tmp/mulipartFile” on the device itself. A sufficiently large file will cause device resources to be exhausted, resulting in the device becoming unusable until it is rebooted.

Frequently asked questions

What is CVE-2023-28338?: Any request send to a Netgear Nighthawk Wifi6 Router (RAX30)'s web service containing a “Content-Type” of “multipartboundary=” will result in the request body being written to “/tmp/mulipartFile” on the device itself. A sufficiently large file will cause device resources to be exhausted, resulting in the device becoming unusable until it is rebooted.
How severe is CVE-2023-28338?: CVE-2023-28338 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-28338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28338?: CVE-2023-28338 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28338?: 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-2023-28338 published?: CVE-2023-28338 was published on 2023-03-15 and last updated on 2026-06-17.

References

https://drupal9.tenable.com/security/research/tra-2023-12

Affected products (1)

cpe:2.3:o:netgear:rax30_firmware:*:*:*:*:*:*:*:*

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