What is CVE-2018-21097?

CVE-2018-21097 is a critical-severity vulnerability in Netgear Wac120, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-27.

How severe is CVE-2018-21097?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-21097 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Netgear Wac120

CVE-2018-21097

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects WAC505 before 5.0.5.4, WAC510 before 5.0.5.4, WAC120 before 2.1.7, WN604 before 3.3.10, WNAP320 before 3.7.11.4, WNAP210v2 b…

Vulnerability class: Buffer Overflow

EPSS: 0.012 (63.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

MercuryNearTheMoon/NetGear-WNAP320-CVEs

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-21097?: CVE-2018-21097 is a critical-severity vulnerability in Netgear Wac120, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-27.
How severe is CVE-2018-21097?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-21097 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.