CVE-2026-2548 – WAYOS FBM-220G rc sub_40F820 command injection

CVE ID : CVE-2026-2548

Published : Feb. 16, 2026, 9:16 a.m. | 1 hour, 19 minutes ago

Description : A flaw has been found in WAYOS FBM-220G 24.10.19. This affects the function sub_40F820 of the file rc. Executing a manipulation of the argument upnp_waniface/upnp_ssdp_interval/upnp_max_age can lead to command injection. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Severity: 6.5 | MEDIUM

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