8.8

CVE-2018-21128: netgear wac505_firmware Improper Authentication

CVSS: 8.8v3.0HighModified
Published 22-04-2020Last modified 05-08-2024

Vulnerability summary

CVE-2018-21128 is a high (CVSS 8.8) Improper Authentication vulnerability in netgear wac505_firmware. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (CVE.org)
EPSS score
0.76%
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. 22-04-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Certain NETGEAR devices are affected by authentication bypass. This affects WAC505 before 5.0.0.17 and WAC510 before 5.0.0.17.

CVSS metrics

4 scores · 2 sources · 3 versions

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 score
0.76%

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

Netgear2 products

1 vendor · 2 products

References

1 links