7.2

CVE-2021-20168: netgear rax43_firmware Improper Authentication

CVSS: 7.2v2.0HighModified
Published 30-12-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20168 is a high (CVSS 7.2) Improper Authentication vulnerability in netgear rax43_firmware. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.2% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v2.0 (NVD)
EPSS score
0.33%
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. 30-12-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Netgear RAX43 version 1.0.3.96 does not have sufficient protections to the UART interface. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection, login with default credentials, and execute commands as the root user. These default credentials are admin:admin.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

0.00 pp

From 0.33% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.33%

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

Netgear1 product

1 vendor · 1 product

References

1 links