CVE-2023-39454: Elecom Wrc-x1800gs-B Firmware

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Buffer overflow vulnerability exists in ELECOM wireless LAN routers, which may allow an unauthenticated attacker to execute arbitrary code.

Affected products

• Elecom Wrc-x1800gs-B Firmware: up to and including 1.13
• Elecom Wrc-x1800gsa-B Firmware: up to and including 1.13
• Elecom Wrc-x1800gsh-B Firmware: up to and including 1.13

Published 2023-08-18. Last modified 2026-06-17.