No exploitation reportedFix available

CVE-2023-27853

Q: Is CVE-2023-27853 actively exploited?

Active exploitation of CVE-2023-27853 has not been confirmed. Its EPSS score was 19.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-27853?

CVE-2023-27853 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.

No exploitation reported by the sources we read.

Published2023-03-10
Fixed in1.0.10.94
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

NETGEAR Nighthawk WiFi6 Router prior to V1.0.10.94 contains a format string vulnerability in a SOAP service that could allow an attacker to execute arbitrary code on the device.

Timeline

dates in UTC

2023-03-1018:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2023-27853?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-27853?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Netgear rax30 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	< 1.0.10.94	1.0.10.94	NVD

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 1.0.10.94

Detection

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

Sources

CISA-ADPSSVC decisionnone2025-02-27
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.19.82025-02-27
NVDCVSS 3.19.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-1202025-02-27
NVDweakness (CWE)CWE-120read 2026-10-23
FIRST EPSSEPSS score19.7 %read 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: 2023-03-10
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-27853?

NETGEAR Nighthawk WiFi6 Router prior to V1.0.10.94 contains a format string vulnerability in a SOAP service that could allow an attacker to execute arbitrary code on the device.

Is CVE-2023-27853 actively exploited?

Active exploitation of CVE-2023-27853 has not been confirmed. Its EPSS score was 19.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-27853?

CVE-2023-27853 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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