9.8

CVE-2018-21162: netgear d6400_firmware OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 23-04-2020Last modified 05-08-2024

Vulnerability summary

CVE-2018-21162 is a critical (CVSS 9.8) OS Command Injection vulnerability in netgear d6400_firmware. EPSS estimates a 3.44% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-04-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6400 before 1.0.0.78, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.8, R6300v2 before 1.0.4.6, R6400 before 1.0.1.12, R6700 before 1.0.1.16, R7000 before 1.0.7.10, R7100LG before 1.0.0.42, R7300DST before 1.0.0.44, R7900 before 1.0.1.12, R8000 before 1.0.3.36, R8300 before 1.0.2.74, R8500 before 1.0.2.74, WNDR3400v3 before 1.0.1.14, and WNR3500Lv2 before 1.2.0.48.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

3.44%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.44% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Netgear16 products

1 vendor · 16 products

References

1 links