Strix
26.1K

CVE-2018-21211

HIGHCVSS 8.8/10EPSS 0.73%

Last modified

CVE-2018-21211 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, 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 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, 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 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.73%

49.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearD3600 Firmware< 1.0.0.67
NetgearD6000 Firmware< 1.0.0.67
NetgearD6100 Firmware< 1.0.0.56
NetgearD7800 Firmware< 1.0.1.30
NetgearR7500 Firmware< 1.0.0.118
NetgearR7500 Firmware< 1.0.3.24
NetgearR7800 Firmware< 1.0.2.40
NetgearR9000 Firmware< 1.0.2.52
NetgearWndr3700 Firmware< 1.0.2.96
NetgearWndr4300 Firmware< 1.0.2.98
NetgearWndr4300 Firmware< 1.0.0.50
NetgearWndr4500 Firmware< 1.0.0.50
NetgearWnr2000 Firmware< 1.0.0.62

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-21211?
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, 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 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.
How severe is CVE-2018-21211?
CVE-2018-21211 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.
How do I fix CVE-2018-21211?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-21211?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST