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Vulnerability record · CVE-2026-9212 · published 9 June 2026

CVE-2026-9212: Netgear lbr1020 firmware improper input validation vulnerability

Netgear · Lbr1020 Firmware

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.

5.6 CVSS 4.0 Medium EPSS 0.47% · top 61.6% CWE-20 · Improper input validationCWE-306 · Missing authentication for critical function
5.6CVSS 4.0 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
22Affected product versions listed by NVD
24References
23 Jul 2026Last modified by NVD

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: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:

Affected products

22 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory PatchVendor Advisory
https://www.netgear.com/support/product/lbr1020/ Product
https://www.netgear.com/support/product/lbr20/ Product
https://www.netgear.com/support/product/r6700ax/ Product
https://www.netgear.com/support/product/r7800/ Product
https://www.netgear.com/support/product/r9000/ Product
https://www.netgear.com/support/product/rax10/ Product
https://www.netgear.com/support/product/rax120/ Product
https://www.netgear.com/support/product/rax120v2/ Product
https://www.netgear.com/support/product/rax36s/ Product
https://www.netgear.com/support/product/rax70/ Product
https://www.netgear.com/support/product/rax78/ Product
https://www.netgear.com/support/product/rbr10/ Product
https://www.netgear.com/support/product/rbr20/ Product
https://www.netgear.com/support/product/rbr350/ Product
https://www.netgear.com/support/product/rbr40/ Product
https://www.netgear.com/support/product/rbr50/ Product
https://www.netgear.com/support/product/rbs10/ Product
https://www.netgear.com/support/product/rbs20/ Product
https://www.netgear.com/support/product/rbs350/ Product
https://www.netgear.com/support/product/rbs40/ Product
https://www.netgear.com/support/product/rbs50/ Product
https://www.netgear.com/support/product/xr450/ Product
https://www.netgear.com/support/product/xr500/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-45658Netgear d7800 firmware injection vulnerabilityCertain NETGEAR devices are affected by server-side injection. This affects D7800 before 1.0.1.58, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6…EPSS 0.82%9.8CVE-2021-45619Netgear ex6250 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.…EPSS 2.5%9.8CVE-2021-45618Netgear d7800 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before 1.0.1.64, EX6200v2 before 1.0.1.8…EPSS 2.0%9.8CVE-2021-45623Netgear r7800 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, a…EPSS 1.7%9.8CVE-2021-38529Netgear d7800 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before 1.0.1.56, R7800 before 1.0.2.68, …EPSS 1.7%9.8CVE-2021-38527Netgear cbr40 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.14, EX6100v2 before 1.0.1.9…EPSS 1.7%9.8CVE-2021-38516Netgear d6220 firmware vulnerabilityCertain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D700…EPSS 1.3%9.8CVE-2020-35795Netgear ac2100 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects AC2100 before 1.2.0.72, AC2400 before 1.2.0.72…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2026-9212), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.