What is CVE-2019-18989?

CVE-2019-18989 is a medium-severity vulnerability in Mediatek Mt7620n, classified under Authentication Bypass by Spoofing. CVSS score: 5.4/10. Published 2020-09-30.

How severe is CVE-2019-18989?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Mediatek Mt7620n

CVE-2019-18989

A partial authentication bypass vulnerability exists on Mediatek MT7620N 1.06 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.

EPSS: 0.008 (51.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Mediatek Mt7620n
Mediatek Mt7620n_firmware — versions 1.06
N/a — versions n/a

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-18989?: CVE-2019-18989 is a medium-severity vulnerability in Mediatek Mt7620n, classified under Authentication Bypass by Spoofing. CVSS score: 5.4/10. Published 2020-09-30.
How severe is CVE-2019-18989?: Medium severity. CVSS v3 base score is 5.4 out of 10.