How severe is CVE-2023-27852?

CVE-2023-27852 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-27852 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27852?

CVE-2023-27852 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27852?

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

When was CVE-2023-27852 published?

CVE-2023-27852 was published on 2023-03-10 and last updated on 2026-06-17.

CVE-2023-27852

CVE-2023-27852 is a critical-severity vulnerability in Netgear Rax30 Firmware with a CVSS 3.x base score of 9.8. 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Netgear Rax30 Firmware
Published: 2023-03-10
Last modified: 2026-06-17

Description

NETGEAR Nighthawk WiFi6 Router prior to V1.0.10.94 contains a buffer overflow vulnerability in various CGI mechanisms that could allow an attacker to execute arbitrary code on the device.

Frequently asked questions

What is CVE-2023-27852?: NETGEAR Nighthawk WiFi6 Router prior to V1.0.10.94 contains a buffer overflow vulnerability in various CGI mechanisms that could allow an attacker to execute arbitrary code on the device.
How severe is CVE-2023-27852?: CVE-2023-27852 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-27852 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27852?: CVE-2023-27852 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27852?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-27852 published?: CVE-2023-27852 was published on 2023-03-10 and last updated on 2026-06-17.

References

https://tenable.com/security/research/tra-2023-9

Affected products (1)

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

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