CVE-2018-21196: Buffer Overflow
First published: Tue Apr 28 2020(Updated: )
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, and WNR2000v5 before 1.0.0.62.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgear D6100 Firmware | <1.0.0.57 | |
| NETGEAR D6100 | ||
| Netgear R6100 Firmware | <1.0.1.20 | |
| Netgear R6100 | ||
| NETGEAR R7800 firmware | <1.0.2.40 | |
| NETGEAR R7800 | ||
| Netgear R9000 Firmware | <1.0.2.52 | |
| NETGEAR R9000 | ||
| Netgear Wndr3700 Firmware | <1.0.2.92 | |
| Netgear WNDR3700 | =v4 | |
| Netgear Wndr4300 Firmware | <1.0.2.94 | |
| Netgear Wndr4300 | ||
| Netgear Wnr2000 Firmware | <1.0.0.62 | |
| Netgear WNR2000 | =v5 |
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Reference Links
Frequently Asked Questions
Which NETGEAR devices are affected by CVE-2018-21196?
D6100, R6100, R7800, R9000, WNDR3700v4, WNDR4300, and WNR2000v5 are affected.
What is the severity of CVE-2018-21196 vulnerability?
The severity of CVE-2018-21196 is medium with a CVSS score of 6.8.
How can an authenticated user exploit CVE-2018-21196?
An authenticated user can exploit the vulnerability by performing a stack-based buffer overflow.
Is the NETGEAR D6100 device vulnerable to CVE-2018-21196?
No, the NETGEAR D6100 device is not vulnerable to CVE-2018-21196.
Where can I find more information about CVE-2018-21196?
You can find more information about CVE-2018-21196 in the Netgear security advisory at https://kb.netgear.com/000055153/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2599.
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- agent/type
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- source/MITRE
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- agent/last-modified-date
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- agent/weakness
- agent/softwarecombine
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- vendor/netgear
- canonical/netgear d6100 firmware
- canonical/netgear d6100
- canonical/netgear r6100 firmware
- canonical/netgear r6100
- 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
- canonical/netgear wnr2000 firmware
- canonical/netgear wnr2000
- version/netgear wnr2000/v5