High severity · published Oct 6, 2020
CVE-2020-5634
ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2…
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10) allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege 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 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wrc-1167gst2 Firmware · Elecom
before 1.10 · source: NVD
WF
Wrc-1750gst2 Firmware · Elecom
before 1.14 · source: NVD
WF
Wrc-1900gst2 Firmware · Elecom
before 1.14 · source: NVD
WF
Wrc-2533gst2 Firmware · Elecom
before 1.14 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5634
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5634
Third Party Advisory
https://jvn.jp/en/jp/JVN82892096/index.html
Vendor Advisory
https://www.elecom.co.jp/news/security/20201005-01/
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