What is CVE-2018-21199?

CVE-2018-21199 is a medium-severity vulnerability in Netgear D7800, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2020-04-28.

How severe is CVE-2018-21199?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in Netgear D7800

CVE-2018-21199

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.30, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, and WNDR4300 before 1.0.2.98.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netgear D7800
Netgear D7800_firmware
Netgear R6100
Netgear R6100_firmware
Netgear R7500 — versions v2
Netgear R7500_firmware
Netgear R7800
Netgear R7800_firmware
Netgear R9000
Netgear R9000_firmware

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21199?: CVE-2018-21199 is a medium-severity vulnerability in Netgear D7800, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2020-04-28.
How severe is CVE-2018-21199?: Medium severity. CVSS v3 base score is 6.8 out of 10.