CVE-2018-21097: netgear wac120_firmware Out-of-bounds Write
Vulnerability summary
CVE-2018-21097 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in netgear wac120_firmware. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.4% of scored vulnerabilities.
Timeline
- 27-04-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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 before 3.7.11.4, WNDAP350 before 3.7.11.4, WNDAP360 before 3.7.11.4, WNDAP660 before 3.7.11.4, WNDAP620 before 2.1.7, and WND930 before 2.1.5.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST7.1HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
EPSS trend
Probability
1.19%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
0.00 pp
From 1.19% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear11 products
- wac120_firmware< 2.1.7
- wac505_firmware< 5.0.5.4
- wac510_firmware< 5.0.5.4
- wn604_firmware< 3.3.10
- wnap210_firmware< 3.7.11.4
1 vendor · 11 products