CVE-2018-21190: 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, D7800 before 1.0.1.34, R6100 before 1.0.1.20, R7500 before 1.0.0.122, R7800 before 1.0.2.40, R9000 before 1.0.2.52, 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 firmware | ||
| NETGEAR D7800 | <1.0.1.34 | |
| NETGEAR D7800 Firmware | ||
| NETGEAR R6100 firmware | <1.0.1.20 | |
| NETGEAR R6100 firmware | ||
| NETGEAR R7500v2 firmware | <1.0.0.122 | |
| NETGEAR R7500v2 firmware | ||
| NETGEAR R7800 firmware | <1.0.2.40 | |
| NETGEAR R7800 | ||
| NETGEAR R9000 firmware | <1.0.2.52 | |
| NETGEAR R9000 firmware | ||
| NETGEAR WNDR3700 firmware | <1.0.2.92 | |
| NETGEAR WNDR3700v4 | =v4 | |
| NETGEAR WNDR4300v2 firmware | <1.0.2.94 | |
| NETGEAR wndr4300v2 | ||
| NETGEAR WNDR4300v2 firmware | <1.0.0.50 | |
| NETGEAR wndr4300v2 | =v2 | |
| NETGEAR WNDR4500 firmware | <1.0.0.50 | |
| NETGEAR WNDR4500v3 | =v3 | |
| NETGEAR WNR2000v2 | <1.0.0.62 | |
| Netgear WNR2000v4 | =v5 |
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Reference Links
Frequently Asked Questions
Which NETGEAR devices are affected by CVE-2018-21190?
D6100, D7800, R6100, R7500, R7800, R9000, WNDR3700v4, WNDR4300
What is the severity of CVE-2018-21190?
The severity of CVE-2018-21190 is medium with a CVSS score of 6.8.
How can an authenticated user exploit CVE-2018-21190?
An authenticated user can exploit CVE-2018-21190 by triggering a stack-based buffer overflow.
How can I fix CVE-2018-21190?
To fix CVE-2018-21190, update the firmware of the affected NETGEAR devices to the latest version provided by the manufacturer.
Where can I find more information about CVE-2018-21190?
You can find more information about CVE-2018-21190 on the NETGEAR knowledge base article: https://kb.netgear.com/000055167/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2605
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- vendor/netgear
- canonical/netgear d6100 firmware
- canonical/netgear d7800
- canonical/netgear d7800 firmware
- canonical/netgear r6100 firmware
- canonical/netgear r7500v2 firmware
- canonical/netgear r7800 firmware
- canonical/netgear r7800
- 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