No exploitation reported

CVE-2023-30280

No exploitation reported by the sources we read.

Published2023-04-26
WeaknessCWE-120

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

Buffer Overflow vulnerability found in Netgear R6900 v.1.0.2.26, R6700v3 v.1.0.4.128, R6700 v.1.0.0.26 allows a remote attacker to execute arbitrary code and cause a denial ofservice via the getInputData parameter of the fwSchedule.cgi page.

Timeline

dates in UTC

2023-04-2620:15CVE 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-2023-30280?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-30280?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Netgear r6700 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	= 1.0.0.26	no fix published	NVD
1.0	= 1.0.4.128	no fix published	NVD

Netgear r6900 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	= 1.0.2.26	no fix published	NVD

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

Fix

Advisories and patches

www.netgear.comVendor Advisory

Detection

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

Sources

CISA-ADPSSVC decisionnone2025-02-03
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.19.82025-02-03
NVDCVSS 3.19.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-1202025-02-03
NVDweakness (CWE)CWE-120read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2023-04-26
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-30280?

Is CVE-2023-30280 actively exploited?

Active exploitation of CVE-2023-30280 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-30280?

CVE-2023-30280 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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