How severe is CVE-2023-34285?

CVE-2023-34285 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-2023-34285 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34285?

CVE-2023-34285 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34285?

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-2023-34285 have an EU (EUVD) identifier?

Yes. CVE-2023-34285 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38366.

When was CVE-2023-34285 published?

CVE-2023-34285 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-34285

CVE-2023-34285 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-38366
Weakness: CWE-787
Affected product: Netgear Rax30 Firmware
Published: 2024-05-03
Last modified: 2026-06-17

Description

NETGEAR RAX30 cmsCli_authenticate Stack-based Buffer Overflow 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 a shared library used by the telnetd service, which listens on TCP port 23 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19918.

Frequently asked questions

What is CVE-2023-34285?: NETGEAR RAX30 cmsCli_authenticate Stack-based Buffer Overflow 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 a shared library used by the telnetd service, which listens on TCP port 23 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19918.
How severe is CVE-2023-34285?: CVE-2023-34285 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-2023-34285 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34285?: CVE-2023-34285 affects Netgear Rax30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34285?: 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-2023-34285 have an EU (EUVD) identifier?: Yes. CVE-2023-34285 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-38366.
When was CVE-2023-34285 published?: CVE-2023-34285 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

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

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