CVE-2026-9211: netgear cax30 Improper Input Validation
CVSS: 8.8v3.1HighAnalyzed
Published 09-06-2026Last modified 10-06-2026
Vulnerability summary
CVE-2026-9211 is a high (CVSS 8.8) Improper Input Validation vulnerability in netgear cax30. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.6% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.39%
0%100%
Low · +0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-06-2026PublishedVulnerability first disclosed.
- 10-06-2026Last modifiedVulnerability information updated.
Description
An unauthenticated user on the local network can gain control of the router and make unauthorized changes to its operation.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.2Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:AmberSourcesAll 2 agree
- NVDNIST5.2MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/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:X/R:X/V:D/RE:L/U:Amber
High 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
+0.16 pp
From 0.24% on 19-09-2026
19-09-202619-10-2026
EPSS score0.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear4 products
- cax30< V2.2.1.4 | < 2.2.1.4
- rax30_firmware< V1.0.10.94 | < 1.0.10.94
- rax5< V1.0.5.34 | < 1.0.5.34
- raxe300_firmware< V1.0.10.72 | < 1.0.10.72
1 vendor · 4 products
References
5 links- kb.netgear.com/000070811/June-2026-NETGEAR-Security-AdvisoryVendor Advisory