CVE-2018-21198: 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, R7800 before 1.2.0.44, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, 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 R7800 firmware | <1.0.2.44 | |
| 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 | <1.0.0.54 | |
| Netgear Wndr4300 | =v2 | |
| Netgear Wndr4500 Firmware | <1.0.0.54 | |
| 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-2018-21198?
CVE-2018-21198 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to trigger a stack-based buffer overflow.
Which NETGEAR devices are affected by CVE-2018-21198?
NETGEAR D6100, R7800, R9000, WNDR3700v4, WNDR4300, WNDR4300v2, WNDR4500v3, and WNR2000v5 are affected by CVE-2018-21198.
What is the severity level of CVE-2018-21198?
The severity level of CVE-2018-21198 is medium with a CVSS score of 6.8.
How do I fix CVE-2018-21198?
To fix CVE-2018-21198, users should update to the latest firmware version provided by NETGEAR.
Where can I find more information about CVE-2018-21198?
More information about CVE-2018-21198 can be found in the NETGEAR security advisory, available at the following link: https://kb.netgear.com/000055151/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2594
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- collector/mitre-cve
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- vendor/netgear
- canonical/netgear d6100 firmware
- canonical/netgear d6100
- 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