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
- Buffalo Wsr-1166dhp3
- Buffalo Wsr-1166dhp3_firmware
- Buffalo Wsr-1166dhp4
- Buffalo Wsr-1166dhp4_firmware
- Buffalo Inc. Wsr-1166dhp3 And Wsr-1166dhp4 — versions WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
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.