CVE-2018-21211: Buffer Overflow
First published: Tue Apr 28 2020(Updated: )
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, 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 D3600 Firmware | <1.0.0.67 | |
| NETGEAR D3600 | ||
| Netgear D6000 Firmware | <1.0.0.67 | |
| Netgear D6000 | ||
| Netgear D6100 Firmware | <1.0.0.56 | |
| NETGEAR D6100 | ||
| Netgear D7800 Firmware | <1.0.1.30 | |
| Netgear D7800 | ||
| Netgear R7500 Firmware | <1.0.0.118 | |
| 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 | <1.0.2.96 | |
| Netgear WNDR3700 | =v4 | |
| Netgear Wndr4300 Firmware | <1.0.2.98 | |
| 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-2018-21211?
CVE-2018-21211 is a vulnerability that affects certain NETGEAR devices, allowing an unauthenticated attacker to perform a buffer overflow.
Which devices are affected by CVE-2018-21211?
Devices affected by CVE-2018-21211 include D3600, D6000, D6100, D7800, R7500, R7500v2, R7800, R9000, and WNDR3700v4.
What is the severity of CVE-2018-21211?
The severity of CVE-2018-21211 is high, with a CVSS score of 8.8.
How can an attacker exploit CVE-2018-21211?
An unauthenticated attacker can exploit CVE-2018-21211 by causing a buffer overflow, potentially leading to remote code execution.
Is there a fix for CVE-2018-21211?
Yes, NETGEAR has released firmware updates to fix CVE-2018-21211. It is recommended to update the affected devices to the latest firmware version.
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- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/type
- agent/event
- agent/description
- agent/first-publish-date
- agent/softwarecombine
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- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/netgear
- canonical/netgear d3600 firmware
- canonical/netgear d3600
- canonical/netgear d6000 firmware
- canonical/netgear d6000
- canonical/netgear d6100 firmware
- canonical/netgear d6100
- 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