Buffer overflow in NETGEAR D7800

CVE-2018-21202

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.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (51.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-21202?
CVE-2018-21202 is a high-severity vulnerability in NETGEAR D7800, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-04-28.
How severe is CVE-2018-21202?
High severity. CVSS v3 base score is 8.8 out of 10.