CVE-2025-63456: Tenda AX1803 Firmware

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the time parameter in the SetSysTimeCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Affected products

• Tenda AX1803 Firmware: version 1.0.0.1 only

Published 2025-11-10. Last modified 2026-06-17.