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CVE-2026-2548mediumCWE-74CWE-77

WAYOS FBM-220G rc sub_40F820 command injection

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 2.0%
exploitation probability
2.0%top 20% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
WAYOS · FBM-220G