CVE-2021-38517: netgear r6400_firmware Out-of-bounds Read
CVSS: 7.2v3.1HighModified
Published 11-08-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-38517 is a high (CVSS 7.2) Out-of-bounds Read vulnerability in netgear r6400_firmware. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (NVD)EPSS score
0.76%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-08-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Certain NETGEAR devices are affected by out-of-bounds reads and writes. This affects R6400 before 1.0.1.70, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, and XR300 before 1.0.3.50.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.2Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.9–7.2
- CVE.orgCNA6.9MediumCVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:NDiffers
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.76% on 18-09-2026
18-09-202618-10-2026
EPSS score0.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear4 products
- r6400_firmware< 1.0.1.70
- rax75_firmware< 1.0.4.120
- rax80_firmware< 1.0.4.120
- xr300_firmware< 1.0.3.50
1 vendor · 4 products