6.1

CVE-2019-18990: realtek rtl8192er_firmware Authentication Bypass by Spoofing

CVSS: 6.1v3.0MediumModified
Published 30-09-2020Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-18990 is a medium (CVSS 6.1) Authentication Bypass by Spoofing vulnerability in realtek rtl8192er_firmware. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.1% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.75%
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. 30-09-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A partial authentication bypass vulnerability exists on Realtek RTL8812AR 1.21WW, RTL8196D 1.0.0, RTL8192ER 2.10, and RTL8881AN 1.09 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful, a response is sent back as an encrypted frame, which would allow an attacker to discern information or potentially modify data.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.75% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.75%

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

Realtek4 products

1 vendor · 4 products

References

1 links