CVE-2018-21185: 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, R7500 before 1.0.0.122, R7500v2 before 1.0.3.24, 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 R7500v2 firmware | <1.0.0.122 | |
| NETGEAR R7500v2 firmware | ||
| NETGEAR R7500v2 firmware | <1.0.3.24 | |
| NETGEAR R7500v2 firmware | =v2 | |
| NETGEAR R7800 firmware | <1.0.2.40 | |
| NETGEAR R7800 firmware | ||
| 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 |
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 CVE-2018-21185?
CVE-2018-21185 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to execute a stack-based buffer overflow.
Which NETGEAR devices are affected by CVE-2018-21185?
CVE-2018-21185 affects D6100 before 1.0.0.57, D7800 before 1.0.1.34, R7500 before 1.0.0.122, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.94.
How severe is CVE-2018-21185?
CVE-2018-21185 has a severity score of 6.8, which is considered medium.
How can I fix CVE-2018-21185?
To fix CVE-2018-21185, you should update the firmware of your affected NETGEAR device to the latest version provided by NETGEAR.
Where can I find more information about CVE-2018-21185?
You can find more information about CVE-2018-21185 in the security advisory published by NETGEAR: https://kb.netgear.com/000055173/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2610
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/author
- agent/severity
- agent/type
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/netgear
- canonical/netgear d6100 firmware
- canonical/netgear d7800
- canonical/netgear d7800 firmware
- canonical/netgear r7500v2 firmware
- version/netgear r7500v2 firmware/v2
- canonical/netgear r7800 firmware
- 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