CVE-2019-20747: Buffer Overflow
First published: Thu Apr 16 2020(Updated: )
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.40, R7500v2 before 1.0.3.34, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.3.16, RAX120 before 1.0.0.74, RBK20 before 2.3.0.22, RBR20 before 2.3.0.22, RBS20 before 2.3.0.22, RBK50 before 2.3.0.22, RBR50 before 2.3.0.22, RBS50 before 2.3.0.22, RBK40 before 2.3.0.22, RBS40 before 2.3.0.22, SRK60 before 2.2.0.64, SRR60 before 2.2.0.64, SRS60 before 2.2.0.64, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5 before 1.0.0.66.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgear D6100 Firmware | <1.0.0.58 | |
| NETGEAR D6100 | ||
| Netgear D7800 Firmware | <1.0.1.40 | |
| Netgear D7800 | ||
| Netgear R7500 Firmware | <1.0.3.34 | |
| Netgear R7500 | =v2 | |
| NETGEAR R7800 firmware | <1.0.2.52 | |
| NETGEAR R7800 | ||
| Netgear R8900 Firmware | <1.0.4.2 | |
| NETGEAR R8900 | ||
| Netgear R9000 Firmware | <1.0.3.16 | |
| NETGEAR R9000 | ||
| Netgear Rax120 Firmware | <1.0.0.74 | |
| Netgear Rax120 | ||
| Netgear Rbk20 Firmware | <2.3.0.22 | |
| Netgear Rbk20 | ||
| Netgear Rbr20 Firmware | <2.3.0.22 | |
| Netgear Rbr20 | ||
| Netgear Rbs20 Firmware | <2.3.0.22 | |
| Netgear Rbs20 | ||
| Netgear Rbk50 Firmware | <2.3.0.22 | |
| Netgear Rbk50 | ||
| Netgear Rbr50 Firmware | <2.3.0.22 | |
| Netgear Rbr50 | ||
| Netgear Rbs50 Firmware | <2.3.0.22 | |
| Netgear Rbs50 | ||
| Netgear Rbk40 Firmware | <2.3.0.22 | |
| Netgear Rbk40 | ||
| Netgear Rbs40 Firmware | <2.3.0.22 | |
| Netgear Rbs40 | ||
| Netgear Srk60 Firmware | <2.2.0.64 | |
| Netgear Srk60 | ||
| Netgear Srr60 Firmware | <2.2.0.64 | |
| Netgear Srr60 | ||
| Netgear Srs60 Firmware | <2.2.0.64 | |
| Netgear Srs60 | ||
| Netgear Wndr3700 Firmware | <1.0.2.102 | |
| Netgear WNDR3700 | =v4 | |
| Netgear Wndr4300 Firmware | <1.0.2.104 | |
| Netgear Wndr4300 | ||
| Netgear Wndr4300 Firmware | <1.0.0.56 | |
| Netgear Wndr4300 | =v2 | |
| Netgear Wndr4500 Firmware | <1.0.0.56 | |
| Netgear WNDR4500 | =v3 | |
| Netgear Wnr2000 Firmware | <1.0.0.66 | |
| Netgear WNR2000 | =v5 |
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Frequently Asked Questions
What is the vulnerability ID for this Netgear vulnerability?
The vulnerability ID for this Netgear vulnerability is CVE-2019-20747.
Which Netgear devices are affected by this vulnerability?
The following Netgear devices are affected by this vulnerability: D6100 before 1.0.0.58, D7800 before 1.0.1.40, R7500v2 before 1.0.3.34, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.3.16, RAX120 before 1.0.0.74, RBK20 before 2.3.0.22, RBR20 before 2.3.0.22, RBS20 before 2.3.0.22, RBK50 before 2.3.0.22, RBR50 before 2.3.0.22, RBS50 before 2.3.0.22, RBK40 before 2.3.0.22, RBS40 before 2.3.0.22, SRK60 before 2.2.0.64, SRR60 before 2.2.0.64, SRS60 before 2.2.0.64, Wndr3700 before 1.0.2.102, Wndr4300 before 1.0.2.104 or 1.0.0.56, Wndr4500 before 1.0.0.56, Wnr2000 before 1.0.0.66.
What is the severity of CVE-2019-20747?
The severity of CVE-2019-20747 is medium, with a severity value of 6.8.
How can I fix the CVE-2019-20747 vulnerability on my Netgear device?
To fix the CVE-2019-20747 vulnerability on your Netgear device, update to the latest firmware version provided by Netgear.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability on the Netgear Security Advisory page: [Link to Netgear Security Advisory](https://kb.netgear.com/000060962/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0032).
- collector/nvd-index
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/description
- agent/type
- agent/event
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/netgear
- 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 r8900 firmware
- canonical/netgear r8900
- canonical/netgear r9000 firmware
- canonical/netgear r9000
- canonical/netgear rax120 firmware
- canonical/netgear rax120
- canonical/netgear rbk20 firmware
- canonical/netgear rbk20
- canonical/netgear rbr20 firmware
- canonical/netgear rbr20
- canonical/netgear rbs20 firmware
- canonical/netgear rbs20
- canonical/netgear rbk50 firmware
- canonical/netgear rbk50
- canonical/netgear rbr50 firmware
- canonical/netgear rbr50
- canonical/netgear rbs50 firmware
- canonical/netgear rbs50
- canonical/netgear rbk40 firmware
- canonical/netgear rbk40
- canonical/netgear rbs40 firmware
- canonical/netgear rbs40
- canonical/netgear srk60 firmware
- canonical/netgear srk60
- canonical/netgear srr60 firmware
- canonical/netgear srr60
- canonical/netgear srs60 firmware
- canonical/netgear srs60
- 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