CVE-2026-2548

MEDIUM 6.3

WAYOS FBM-220G rc sub_40F820 command injection

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	wayos
Product	fbm-220g
Published	Feb 16, 2026
Last Updated	Feb 23, 2026

Stay Ahead of the Next One

Get instant alerts for wayos fbm-220g

Be the first to know when new medium vulnerabilities affecting wayos fbm-220g are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

WAYOS / FBM-220G

24.10.19

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 jfkk (VulDB User)