CVE-2021-38520: netgear r6400_firmware Command Injection
CVSS: 7.2v3.1HighModified
Published 11-08-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-38520 is a high (CVSS 7.2) Command Injection vulnerability in netgear r6400_firmware. EPSS estimates a 1.50% chance of exploitation in the next 30 days, higher than 73.8% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (NVD)EPSS score
1.50%
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 command injection by an authenticated user. This affects R6400 before 1.0.1.52, R6400v2 before 1.0.4.84, R6700v3 before 1.0.4.84, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, and R7000P before 1.3.2.124.
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 · 6.6–7.2
- CVE.orgCNA6.6MediumCVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:H/S:U/UI:NDiffers
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.50%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.50% on 19-09-2026
19-09-202619-10-2026
EPSS score1.50%
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< 1.0.1.52 | < 1.0.4.84
- r6700_firmware< 1.2.0.62 | < 1.0.4.84
- r6900_firmware< 1.2.0.62
- r7000p< 1.3.2.124
1 vendor · 4 products