Buffer overflow in Elecom Wrc-X1800gsa-B
CVE-2023-39454
Buffer overflow vulnerability exists in ELECOM wireless LAN routers, which may allow an unauthenticated attacker to execute arbitrary code.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (54.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Elecom Wrc-x1800gsa-b
- Elecom Wrc-x1800gsa-b_firmware
- Elecom Wrc-x1800gs-b
- Elecom Wrc-x1800gs-b_firmware
- Elecom Wrc-x1800gsh-b
- Elecom Wrc-x1800gsh-b_firmware
- Elecom Co.,ltd. Wmc-2lx2-b — versions v1.16
- Elecom Co.,ltd. Wmc-2lx-b — versions v1.42 and earlier
- Elecom Co.,ltd. Wmc-x1800gst2-b — versions v1.16
- Elecom Co.,ltd. Wmc-x1800gst-b — versions v1.42 and earlier
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vultures@jpcert.or.jp (Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-39454?
- CVE-2023-39454 is a critical-severity vulnerability in Elecom Wrc-X1800gsa-B, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-08-18.
- How severe is CVE-2023-39454?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-39454 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.