What is CVE-2021-40546?

CVE-2021-40546 is a medium-severity vulnerability in Tenda Ac6, classified under Improper Resource Shutdown or Release. CVSS score: 4.9/10. Published 2023-09-05.

How severe is CVE-2021-40546?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Tenda Ac6

CVE-2021-40546

Tenda AC6 US_AC6V4.0RTL_V02.03.01.26_cn.bin allows attackers (who have the administrator password) to cause a denial of service (device crash) via a long string in the wifiPwd_5G parameter to /goform/setWifi.

EPSS: 0.007 (50.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tenda Ac6 — versions 4.0
Tenda Ac6_firmware — versions 02.03.01.26
N/a — versions n/a

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

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

Frequently asked questions

What is CVE-2021-40546?: CVE-2021-40546 is a medium-severity vulnerability in Tenda Ac6, classified under Improper Resource Shutdown or Release. CVSS score: 4.9/10. Published 2023-09-05.
How severe is CVE-2021-40546?: Medium severity. CVSS v3 base score is 4.9 out of 10.