RCE in Buffalo Wsr-1166dhp3

CVE-2021-20731

WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allow an attacker to execute arbitrary OS commands with root privileges via unspecified vectors.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-20731?
CVE-2021-20731 is a high-severity vulnerability in Buffalo Wsr-1166dhp3, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-06-09.
How severe is CVE-2021-20731?
High severity. CVSS v3 base score is 8.8 out of 10.