CVE-2018-21111: Buffer Overflow
First published: Wed Apr 22 2020(Updated: )
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6100 before 1.0.0.60, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, and WNR2000v5 before 1.0.0.66.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgear D3600 Firmware | <1.0.0.75 | |
| NETGEAR D3600 | ||
| Netgear D6000 Firmware | <1.0.0.75 | |
| Netgear D6000 | ||
| Netgear D6100 Firmware | <1.0.0.60 | |
| NETGEAR D6100 | ||
| NETGEAR R7800 firmware | <1.0.2.52 | |
| NETGEAR R7800 | ||
| Netgear R8900 Firmware | <1.0.4.2 | |
| NETGEAR R8900 | ||
| Netgear R9000 Firmware | <1.0.4.2 | |
| NETGEAR R9000 | ||
| Netgear Wndr3700 Firmware | <1.0.2.102 | |
| Netgear WNDR3700 | =v4 | |
| Netgear Wndr4300 Firmware | <1.0.2.104 | |
| Netgear Wndr4300 | ||
| Netgear Wndr4300 Firmware | <1.0.0.58 | |
| Netgear Wndr4300 | =v2 | |
| Netgear Wndr4500 Firmware | <1.0.0.58 | |
| Netgear WNDR4500 | =v3 | |
| Netgear Wnr2000 Firmware | <1.0.0.66 | |
| Netgear WNR2000 | =v5 |
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Frequently Asked Questions
What is CVE-2018-21111?
CVE-2018-21111 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to trigger a stack-based buffer overflow.
Which devices are affected by CVE-2018-21111?
Devices affected by CVE-2018-21111 include D3600, D6000, D6100, R7800, R8900, R9000, WNDR3700v4, and WNDR4300.
How severe is CVE-2018-21111?
The severity of CVE-2018-21111 is medium, with a severity value of 6.8.
How can an authenticated user exploit CVE-2018-21111?
An authenticated user can exploit CVE-2018-21111 by triggering a stack-based buffer overflow.
Is there a fix for CVE-2018-21111?
Yes, the fix for CVE-2018-21111 is to update the firmware of the affected devices to the specified versions.
- collector/nvd-index
- agent/author
- agent/severity
- agent/references
- agent/event
- agent/weakness
- agent/type
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- 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 r7800 firmware
- canonical/netgear r7800
- canonical/netgear r8900 firmware
- canonical/netgear r8900
- 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