Critical severity · published Aug 18, 2023
CVE-2023-39454
Buffer overflow vulnerability exists in ELECOM wireless LAN routers, which may allow an unauthenticated attacker to execute arbitrary code
9.8
CVSS
0.9%
EPSS
No
On KEV
Description
Buffer overflow vulnerability exists in ELECOM wireless LAN routers, which may allow an unauthenticated attacker to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wrc-x1800gs-b Firmware · Elecom
through 1.13 · source: NVD
WF
Wrc-x1800gsa-b Firmware · Elecom
through 1.13 · source: NVD
WF
Wrc-x1800gsh-b Firmware · Elecom
through 1.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39454
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39454
Third Party Advisory
https://jvn.jp/en/vu/JVNVU91630351/
Vendor Advisory
https://www.elecom.co.jp/news/security/20230711-01/
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