CVE-2018-21157: OS Command Injection
First published: Mon Apr 27 2020(Updated: )
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.28, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.28, R7500v2 before 1.0.3.24, R7800 before 1.0.2.38, R9000 before 1.0.2.52, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgear D7800 Firmware | <1.0.1.28 | |
| Netgear D7800 | ||
| Netgear R6700 Firmware | <1.0.1.44 | |
| NETGEAR R6700 | ||
| Netgear R6900 Firmware | <1.0.1.44 | |
| Netgear R6900 | ||
| Netgear R7000 Firmware | <1.0.9.28 | |
| NETGEAR R7000 | ||
| Netgear R7500 Firmware | <1.0.3.24 | |
| Netgear R7500 | =v2 | |
| NETGEAR R7800 firmware | <1.0.2.38 | |
| NETGEAR R7800 | ||
| Netgear R9000 Firmware | <1.0.2.52 | |
| NETGEAR R9000 | ||
| Netgear Wndr4300 Firmware | <1.0.0.50 | |
| Netgear Wndr4300 | =v2 | |
| Netgear Wndr4500 Firmware | <1.0.0.50 | |
| Netgear WNDR4500 | =v3 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-21157?
CVE-2018-21157 is a vulnerability that allows command injection by an authenticated user on certain NETGEAR devices.
Which NETGEAR devices are affected by CVE-2018-21157?
CVE-2018-21157 affects D7800 before 1.0.1.28, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.28, R7500v2 before 1.0.3.24, R7800 before 1.0.2.38, R9000 before 1.0.2.52, WNDR4300v2 before 1.0.0.50, and WNDR4500 before 1.0.0.50.
What is the severity of CVE-2018-21157?
The severity of CVE-2018-21157 is medium, with a CVSS score of 6.8.
How can I fix CVE-2018-21157?
To fix CVE-2018-21157, you should update your NETGEAR device firmware to the latest version provided by the manufacturer.
Where can I find more information about CVE-2018-21157?
For more information about CVE-2018-21157, you can visit the NETGEAR Security Advisory page at https://kb.netgear.com/000059473/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-2248.
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- agent/severity
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- agent/description
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- agent/softwarecombine
- agent/first-publish-date
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- collector/mitre-cve
- source/MITRE
- vendor/netgear
- canonical/netgear d7800 firmware
- canonical/netgear d7800
- canonical/netgear r6700 firmware
- canonical/netgear r6700
- canonical/netgear r6900 firmware
- canonical/netgear r6900
- canonical/netgear r7000 firmware
- canonical/netgear r7000
- 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 wndr4300 firmware
- canonical/netgear wndr4300
- version/netgear wndr4300/v2
- canonical/netgear wndr4500 firmware
- canonical/netgear wndr4500
- version/netgear wndr4500/v3