How severe is CVE-2023-40480?

CVE-2023-40480 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-40480 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40480?

CVE-2023-40480 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40480?

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.

Does CVE-2023-40480 have an EU (EUVD) identifier?

Yes. CVE-2023-40480 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45051.

When was CVE-2023-40480 published?

CVE-2023-40480 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-40480

CVE-2023-40480 is a high-severity vulnerability in Netgear Rax30 Firmware with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-45051
Weakness: CWE-78
Affected product: Netgear Rax30 Firmware
Published: 2024-05-03
Last modified: 2026-06-17

Description

NETGEAR RAX30 DHCP Server Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DHCP server. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19705.

Frequently asked questions

What is CVE-2023-40480?: NETGEAR RAX30 DHCP Server Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR RAX30 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DHCP server. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19705.
How severe is CVE-2023-40480?: CVE-2023-40480 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-40480 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40480?: CVE-2023-40480 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40480?: 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.
Does CVE-2023-40480 have an EU (EUVD) identifier?: Yes. CVE-2023-40480 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45051.
When was CVE-2023-40480 published?: CVE-2023-40480 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Netgear Rax30 Firmware

CVE-2025-44658 — Critical (CVSS 9.8): In Netgear RAX30 V1.0.10.94, a PHP-FPM misconfiguration vulnerability is caused by not following the specification to…
CVE-2023-1327 — Critical (CVSS 9.8): Netgear RAX30 (AX2400), prior to version 1.0.6.74, was affected by an authentication bypass vulnerability, allowing an…
CVE-2023-27853 — Critical (CVSS 9.8): NETGEAR Nighthawk WiFi6 Router prior to V1.0.10.94 contains a format string vulnerability in a SOAP service that could…
CVE-2023-27852 — Critical (CVSS 9.8): NETGEAR Nighthawk WiFi6 Router prior to V1.0.10.94 contains a buffer overflow vulnerability in various CGI mechanisms…
CVE-2026-9211 — High (CVSS 8.8): An unauthenticated user on the local network can gain control of the router and make unauthorized changes to its…
CVE-2023-51635 — High (CVSS 8.8): NETGEAR RAX30 fing_dil Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows…

All CVEs affecting Netgear Rax30 Firmware →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →