CVE-2026-2548

2.1 lowEPSS 2.2%

Low (2.1). EPSS 2.2% chance of exploitation in the next 30 days.

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

CVSS 4.0

2.1 low

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

CVSS 3.1

6.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS: 2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
CWEs: CWE-74, CWE-77
Published: 2026-02-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/wayos/wayos.md
https://vuldb.com/?ctiid.346157
https://vuldb.com/?id.346157
https://vuldb.com/?submit.749802
https://github.com/glkfc/IoT-Vulnerability/blob/main/wayos/wayos.md

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