CVE-2018-21187: 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 D7800 before 1.0.1.30, 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 D7800 Firmware | <1.0.1.30 | |
| Netgear D7800 | ||
| Netgear R7500 Firmware | <1.0.0.122 | |
| Netgear R7500 | ||
| Netgear R7500 Firmware | <1.0.3.24 | |
| Netgear R7500 | =v2 | |
| NETGEAR R7800 firmware | <1.0.2.40 | |
| NETGEAR R7800 | ||
| Netgear R9000 Firmware | <1.0.2.52 | |
| 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-2018-21187?
CVE-2018-21187 is a vulnerability that affects certain NETGEAR devices and allows a stack-based buffer overflow by an authenticated user.
Which NETGEAR devices are affected by CVE-2018-21187?
The affected NETGEAR devices include D7800, R7500, R7500v2, R7800, R9000, WNDR3700v4, WNDR4300, and WNDR4300v2.
What is the severity of CVE-2018-21187?
The severity of CVE-2018-21187 is medium, with a severity value of 6.8.
How can I fix CVE-2018-21187?
To fix CVE-2018-21187, update the firmware of the affected NETGEAR devices to the recommended versions provided by NETGEAR.
Where can I find more information about CVE-2018-21187?
You can find more information about CVE-2018-21187 in the security advisory issued by NETGEAR.
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- agent/author
- agent/type
- agent/event
- agent/description
- agent/softwarecombine
- agent/first-publish-date
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- collector/mitre-cve
- source/MITRE
- vendor/netgear
- canonical/netgear d7800 firmware
- canonical/netgear d7800
- canonical/netgear r7500 firmware
- canonical/netgear r7500
- version/netgear r7500/v2
- 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