CVE-2018-21206: netgear d7800_firmware Out-of-bounds Write
Vulnerability summary
CVE-2018-21206 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in netgear d7800_firmware. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.4% of scored vulnerabilities.
Timeline
- 28-04-2020PublishedVulnerability 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 D7800 before 1.0.1.30, EX2700 before 1.0.1.28, 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, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, WN3100RPv2 before 1.0.0.56, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST8.8HighCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.66% 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
Netgear12 products
- d7800_firmware< 1.0.1.30
- ex2700_firmware< 1.0.1.28
- r6100_firmware< 1.0.1.20
- r7500_firmware< 1.0.0.118 | < 1.0.3.24
- r7800_firmware< 1.0.2.40
1 vendor · 12 products