CVE-2026-2548
WAYOS FBM-220G rc sub_40F820 command injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Feb 16, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 6.3 Medium | 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 | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
FBM-220GWAYOS |
|
References
- VDB-346157 | WAYOS FBM-220G rc sub_40F820 command injectionvdb-entrytechnical-description
- VDB-346157 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #749802 | WAYOS FBM220G and others 24.10.19 Command Injectionthird-party-advisory
- https://github.com/glkfc/IoT-Vulnerability/blob/main/wayos/wayos.mdrelated
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