CVE-2026-11737: netgear rax20_firmware Improper Input Validation
CVSS: 4.5v3.1MediumAnalyzed
Published 11-08-2026Last modified 12-08-2026
Vulnerability summary
CVE-2026-11737 is a medium (CVSS 4.5) Improper Input Validation vulnerability in netgear rax20_firmware. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.8% of scored vulnerabilities.
CVSS score
4.5/10
010
Medium · v3.1 (NVD)EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-08-2026PublishedVulnerability first disclosed.
- 12-08-2026Last modifiedVulnerability information updated.
Description
Insufficient input validation vulnerability in the listed NETGEAR models allows authenticated administrators connected to the local network to make unauthorized modification to the device software and functionality.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:AmberSourcesAll 2 agree
- NVDNIST4.3MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:L/U:Amber
Medium 4.5Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:NSourcesSingle source
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 19-09-2026
19-09-202619-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear13 products
- rax20_firmware< V1.0.18.144 | < 1.0.18.144
- rax41_firmware< V1.1.6.36 | < 1.1.6.36
- rax41v2_firmware< V1.1.6.36 | < 1.1.6.36
- rax42_firmware< V1.1.6.36 | < 1.1.6.36
- rax42v2_firmware< V1.1.6.36 | < 1.1.6.36
1 vendor · 13 products