CVE-2026-9212: netgear lbr1020_firmware Improper Input Validation
CVSS: 8.0v3.1HighAnalyzed
Published 09-06-2026Last modified 11-06-2026
Vulnerability summary
CVE-2026-9212 is a high (CVSS 8.0) Improper Input Validation vulnerability in netgear lbr1020_firmware. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.4% of scored vulnerabilities.
CVSS score
8.0/10
010
High · v3.1 (NVD)EPSS score
0.47%
0%100%
Low · +0.20 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-06-2026PublishedVulnerability first disclosed.
- 11-06-2026Last modifiedVulnerability information updated.
Description
Insufficient authentication and input validation in the listed NETGEAR models allow users connected to the local network to execute commands impacting the product's confidentiality or change certain configurations.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.6Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:N/SA:N/E:USourcesAll 2 agree
- NVDNIST5.6MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/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:X/RE:X/U:X
High 8.0Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
+0.20 pp
From 0.27% on 18-09-2026
18-09-202618-10-2026
EPSS score0.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-306Missing Authentication for Critical FunctionThe product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Affected systems
Netgear25 products
- lbr1020_firmware< V2.6.4.60 | < 2.6.4.60
- lbr20_firmware< V2.7.6.8 | < 2.7.6.8
- r6700ax_firmwareAll versions (No fix recorded) | na
- r7800_firmware< V1.0.4.96 | < 1.0.4.96
- r9000_firmware< V1.0.6.46 | < 1.0.6.46
1 vendor · 25 products