High severity · published Jun 9, 2021
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…
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wsr-1166dhp3 Firmware · Buffalo
through 1.16 · source: NVD
WF
Wsr-1166dhp4 Firmware · Buffalo
through 1.02 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20731
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20731
Third Party Advisory
https://jvn.jp/en/vu/JVNVU92862829/index.html
Vendor Advisory
https://www.buffalo.jp/news/detail/20210531-01.html
More from Wsr-1166dhp3 Firmware
4.3
CVE-2021-20730
Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration…