CVE-2018-21192: Buffer Overflow
First published: Tue Apr 28 2020(Updated: )
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgear D6100 Firmware | <1.0.0.57 | |
| NETGEAR D6100 | ||
| Netgear R6100 Firmware | <1.0.1.20 | |
| Netgear R6100 | ||
| NETGEAR R7800 firmware | <1.0.2.40 | |
| NETGEAR R7800 | ||
| Netgear R9000 Firmware | <1.0.3.6 | |
| NETGEAR R9000 | ||
| Netgear Wndr3700 Firmware | <1.0.2.92 | |
| Netgear WNDR3700 | =v4 | |
| Netgear Wndr4300 Firmware | <1.0.2.94 | |
| Netgear Wndr4300 | ||
| Netgear Wndr4300 Firmware | <1.0.0.50 | |
| Netgear Wndr4300 | =v2 | |
| Netgear Wndr4500 Firmware | <1.0.0.50 | |
| Netgear WNDR4500 | =v3 | |
| Netgear Wnr2000 Firmware | <1.0.0.62 | |
| Netgear WNR2000 | =v5 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-21192?
CVE-2018-21192 is a vulnerability that affects certain NETGEAR devices and allows an authenticated user to execute a stack-based buffer overflow.
Which NETGEAR devices are affected by CVE-2018-21192?
The NETGEAR devices affected by CVE-2018-21192 include D6100 before firmware version 1.0.0.57, R6100 before firmware version 1.0.1.20, R7800 before firmware version 1.0.2.40, R9000 before firmware version 1.0.3.6, WNDR3700v4 before firmware version 1.0.2.92, WNDR4300 before firmware version 1.0.2.94, WNDR4300v2 before firmware version 1.0.0.50, WNDR4500v3 before firmware version 1.0.0.50.
What is the severity of CVE-2018-21192?
The severity of CVE-2018-21192 is medium, with a severity value of 6.8.
How do I fix CVE-2018-21192?
To fix CVE-2018-21192, it is recommended to update the firmware of the affected NETGEAR devices to the latest available version.
Where can I find more information about CVE-2018-21192?
More information about CVE-2018-21192 can be found in the security advisory provided by NETGEAR: https://kb.netgear.com/000055165/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2603
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- vendor/netgear
- canonical/netgear d6100 firmware
- canonical/netgear d6100
- canonical/netgear r6100 firmware
- canonical/netgear r6100
- canonical/netgear r7800 firmware
- canonical/netgear r7800
- 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/v2
- canonical/netgear wndr4500 firmware
- canonical/netgear wndr4500
- version/netgear wndr4500/v3
- canonical/netgear wnr2000 firmware
- canonical/netgear wnr2000
- version/netgear wnr2000/v5