CVE-2018-21135: Buffer Overflow
First published: Thu Apr 23 2020(Updated: )
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6700 before 1.0.1.48, R7500 before 1.0.0.124, R7800 before 1.0.2.58, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5-R2000 before 1.0.0.68.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgear R6700 Firmware | <1.0.1.48 | |
| NETGEAR R6700 | ||
| Netgear R7500 Firmware | <1.0.0.124 | |
| Netgear R7500 | ||
| NETGEAR R7800 firmware | <1.0.2.58 | |
| NETGEAR R7800 | ||
| Netgear R8900 Firmware | <1.0.4.2 | |
| NETGEAR R8900 | ||
| Netgear R9000 Firmware | <1.0.4.2 | |
| NETGEAR R9000 | ||
| Netgear Wndr3700 Firmware | <1.0.2.102 | |
| Netgear WNDR3700 | =v4 | |
| Netgear Wndr4300 Firmware | <1.0.2.104 | |
| Netgear Wndr4300 | =v1 | |
| Netgear Wndr4300 Firmware | <1.0.0.56 | |
| Netgear Wndr4300 | =v2 | |
| Netgear Wndr4500 Firmware | <1.0.0.56 | |
| Netgear WNDR4500 | =v3 | |
| Netgear Wnr2000 Firmware | <1.0.0.68 | |
| Netgear WNR2000 | =v5 |
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Reference Links
Frequently Asked Questions
Which devices are affected by CVE-2018-21135?
Certain NETGEAR devices are affected including R6700, R7500, R7800, R8900, R9000, WNDR3700v4, and WNDR4300v1.
What is the severity of CVE-2018-21135?
The severity of CVE-2018-21135 is high with a score of 7.2.
How does CVE-2018-21135 impact NETGEAR devices?
CVE-2018-21135 allows an authenticated user to execute arbitrary code by exploiting a stack-based buffer overflow vulnerability.
How can I check if my NETGEAR device is vulnerable to CVE-2018-21135?
You can check the firmware version of your device and compare it to the affected versions listed in the vulnerability description.
How do I fix CVE-2018-21135 on my NETGEAR device?
You should update your device's firmware to the latest version provided by NETGEAR to address the CVE-2018-21135 vulnerability.
- collector/nvd-index
- agent/author
- agent/severity
- agent/weakness
- agent/references
- agent/type
- agent/description
- agent/event
- agent/softwarecombine
- agent/last-modified-date
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/netgear
- canonical/netgear r6700 firmware
- canonical/netgear r6700
- canonical/netgear r7500 firmware
- canonical/netgear r7500
- canonical/netgear r7800 firmware
- canonical/netgear r7800
- canonical/netgear r8900 firmware
- canonical/netgear r8900
- canonical/netgear r9000 firmware
- canonical/netgear r9000
- canonical/netgear wndr3700 firmware
- canonical/netgear wndr3700
- version/netgear wndr3700/v4
- canonical/netgear wndr4300 firmware
- canonical/netgear wndr4300
- version/netgear wndr4300/v1
- version/netgear wndr4300/v2
- canonical/netgear wndr4500 firmware
- canonical/netgear wndr4500
- version/netgear wndr4500/v3
- canonical/netgear wnr2000 firmware
- canonical/netgear wnr2000
- version/netgear wnr2000/v5