No exploitation reportedFix available

CVE-2023-40479

Q: Is CVE-2023-40479 actively exploited?

Active exploitation of CVE-2023-40479 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-40479?

CVE-2023-40479 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2024-05-03
Fixed in1.0.9.92
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

NETGEAR RAX30 UPnP 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 UPnP service. 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-19704.

Timeline

dates in UTC

2024-05-0303:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-40479?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-40479?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP

Netgear rax30 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	< 1.0.9.92	1.0.9.92	NVD
1.0	= 1.0.6.74_1	no fix published	CISA-ADP

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Netgear rax30 firmware to 1.0.9.92

Advisories and patches

kb.netgear.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-05-21
OpenCVESSVC decisionnone—
NVDCVSS 3.18.8read 2026-10-23
CNACVSS 3.08.8read 2026-10-23
CNAweakness (CWE)CWE-78read 2026-10-23
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2024-05-03
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2023-40479?

Is CVE-2023-40479 actively exploited?

Active exploitation of CVE-2023-40479 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-40479?

CVE-2023-40479 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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