What is CVE-2018-21183?

CVE-2018-21183 is a medium-severity vulnerability in Netgear R7800, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2020-04-28.

How severe is CVE-2018-21183?

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

Buffer overflow in Netgear R7800

CVE-2018-21183

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.94.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (49.7th 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 R7800
Netgear R7800_firmware
Netgear R9000
Netgear R9000_firmware
Netgear Wndr3700 — versions v4
Netgear Wndr3700_firmware
Netgear Wndr4300
Netgear Wndr4300_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21183?: CVE-2018-21183 is a medium-severity vulnerability in Netgear R7800, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2020-04-28.
How severe is CVE-2018-21183?: Medium severity. CVSS v3 base score is 6.8 out of 10.