CVE-2018-21202: Buffer Overflow
First published: Tue Apr 28 2020(Updated: )
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.30, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, and WNDR4500v3 before 1.0.0.54.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgear D7800 Firmware | <1.0.1.30 | |
| Netgear D7800 | ||
| Netgear R6100 Firmware | <1.0.1.20 | |
| Netgear R6100 | ||
| Netgear R7500 Firmware | <1.0.3.24 | |
| Netgear R7500 | =v2 | |
| NETGEAR R7800 firmware | <1.0.2.40 | |
| NETGEAR R7800 | ||
| Netgear R9000 Firmware | <1.0.2.52 | |
| NETGEAR R9000 | ||
| Netgear Wndr3700 Firmware | <1.0.2.96 | |
| Netgear WNDR3700 | =v4 | |
| Netgear Wndr4300 Firmware | <1.0.2.98 | |
| Netgear Wndr4300 | ||
| Netgear Wndr4300 Firmware | <1.0.0.54 | |
| Netgear Wndr4300 | =v2 | |
| Netgear Wndr4500 Firmware | <1.0.0.54 | |
| Netgear WNDR4500 | =v3 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-21202?
CVE-2018-21202 is a vulnerability that affects certain NETGEAR devices due to a stack-based buffer overflow.
Which NETGEAR devices are affected by CVE-2018-21202?
CVE-2018-21202 affects the following NETGEAR devices: D7800 before 1.0.1.30, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54.
What is the severity of CVE-2018-21202?
The severity of CVE-2018-21202 is high, with a CVSS score of 8.8.
How does CVE-2018-21202 affect the vulnerable devices?
CVE-2018-21202 allows an unauthenticated attacker to perform a stack-based buffer overflow on the affected NETGEAR devices.
How can I fix CVE-2018-21202?
To fix CVE-2018-21202, make sure to update the firmware of the affected NETGEAR devices to the versions specified in the security advisory.
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/description
- agent/type
- agent/event
- agent/last-modified-date
- 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 r6100 firmware
- canonical/netgear r6100
- 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 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