CVE-2018-21141: Input Validation
First published: Tue Apr 21 2020(Updated: )
Certain NETGEAR devices are affected by denial of service. This affects R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NETGEAR R6100 firmware | <1.0.1.22 | |
| NETGEAR R6100 firmware | ||
| NETGEAR R7500v2 firmware | <1.0.0.122 | |
| NETGEAR R7500v2 firmware | ||
| NETGEAR R7800 firmware | <1.0.2.42 | |
| NETGEAR R7800 firmware | ||
| NETGEAR R8900 firmware | <1.0.3.10 | |
| NETGEAR R8900 | ||
| NETGEAR R9000 firmware | <1.0.3.10 | |
| NETGEAR R9000 firmware | ||
| NETGEAR WNDR3700 firmware | <1.0.2.96 | |
| NETGEAR WNDR3700v4 | =v4 | |
| NETGEAR WNDR4300v2 firmware | <1.0.2.98 | |
| NETGEAR wndr4300v2 | ||
| NETGEAR WNDR4300v2 firmware | <1.0.0.54 | |
| NETGEAR wndr4300v2 | =v2 | |
| NETGEAR WNDR4500 firmware | <1.0.0.54 | |
| NETGEAR WNDR4500v3 | =v3 | |
| NETGEAR WNR2000v2 | <1.0.0.64 | |
| Netgear WNR2000v4 | =v5 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-21141?
CVE-2018-21141 is classified as a denial of service vulnerability that can disrupt the functionality of affected NETGEAR devices.
How do I fix CVE-2018-21141?
To resolve CVE-2018-21141, update the firmware of the affected NETGEAR devices to the recommended versions or later.
Which NETGEAR devices are impacted by CVE-2018-21141?
CVE-2018-21141 affects several devices including R6100, R7500, R7800, R8900, R9000, WNDR3700v4, WNDR4300, WNDR4300v2, and WNDR4500v3.
What are the firmware versions that resolve CVE-2018-21141?
The fixed firmware versions to mitigate CVE-2018-21141 are R6100 1.0.1.22, R7500 1.0.0.122, R7800 1.0.2.42, R8900 1.0.3.10, R9000 1.0.3.10, WNDR3700v4 1.0.2.96, WNDR4300 1.0.2.98, WNDR4300v2 1.0.0.54, and WNDR4500v3 1.0.0.54.
Is CVE-2018-21141 actively being exploited?
There is no public evidence to suggest that CVE-2018-21141 is currently being actively exploited in the wild, but it is advisable to apply patches promptly.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/author
- agent/severity
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/netgear
- canonical/netgear r6100 firmware
- canonical/netgear r7500v2 firmware
- canonical/netgear r7800 firmware
- canonical/netgear r8900 firmware
- canonical/netgear r8900
- canonical/netgear r9000 firmware
- canonical/netgear wndr3700 firmware
- canonical/netgear wndr3700v4
- version/netgear wndr3700v4/v4
- canonical/netgear wndr4300v2 firmware
- canonical/netgear wndr4300v2
- version/netgear wndr4300v2/v2
- canonical/netgear wndr4500 firmware
- canonical/netgear wndr4500v3
- version/netgear wndr4500v3/v3
- canonical/netgear wnr2000v2
- canonical/netgear wnr2000v4
- version/netgear wnr2000v4/v5