CVE-2019-20740: 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 DGN2200v4 before 1.0.0.110, DGND2200Bv4 before 1.0.0.109, R7300 before 1.0.0.70, R8300 before 1.0.2.130, and R8500 before 1.0.2.130.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NETGEAR DGN2200B firmware | <1.0.0.110 | |
| NETGEAR DGN2200M | =v4 | |
| NETGEAR DGND2200B | <1.0.0.109 | |
| NETGEAR DGND2200B firmware | =v4 | |
| NETGEAR R7300 firmware | <1.0.0.70 | |
| NETGEAR R7300 firmware | ||
| NETGEAR R8300 firmware | <1.0.2.130 | |
| NETGEAR R8300 firmware | ||
| NETGEAR R8500 | <1.0.2.130 | |
| NETGEAR R8500 |
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Reference Links
Frequently Asked Questions
Which NETGEAR devices are affected by CVE-2019-20740?
DGN2200v4, DGND2200Bv4, R7300, R8300, and R8500 are affected by CVE-2019-20740.
What is the severity level of CVE-2019-20740?
The severity level of CVE-2019-20740 is medium with a rating of 6.8.
How can an authenticated user exploit the vulnerability in CVE-2019-20740?
An authenticated user can exploit the stack-based buffer overflow vulnerability in CVE-2019-20740.
What is the fix for CVE-2019-20740?
Ensure that you have installed the latest firmware version for the affected NETGEAR devices.
Where can I find more information about CVE-2019-20740?
You can find more information about CVE-2019-20740 in the Netgear security advisory: [https://kb.netgear.com/000060976/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0258](https://kb.netgear.com/000060976/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0258).
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- vendor/netgear
- canonical/netgear dgn2200b firmware
- canonical/netgear dgn2200m
- version/netgear dgn2200m/v4
- canonical/netgear dgnd2200b
- canonical/netgear dgnd2200b firmware
- version/netgear dgnd2200b firmware/v4
- canonical/netgear r7300 firmware
- canonical/netgear r8300 firmware
- canonical/netgear r8500