CVE-2026-2561: Jdcloud AX6600 Firmware

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability was found in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533. This affects the function web_get_ddns_uptime of the file /jdcapi of the component jdcweb_rpc. Performing a manipulation results in Remote Privilege Escalation. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Jdcloud AX6600 Firmware: up to and including 4.5.1.r4533

Published 2026-02-16. Last modified 2026-06-17.