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.
Published: 2026-02-16
Score: 5.3 Medium
EPSS: 1.7% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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History

Tue, 17 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 16 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Wayos
Wayos fbm-220g
Vendors & Products Wayos
Wayos fbm-220g

Mon, 16 Feb 2026 09:15:00 +0000

Type Values Removed Values Added
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.
Title WAYOS FBM-220G rc sub_40F820 command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': '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'}

cvssV3_1

{'score': 6.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-23T10:07:54.559Z

Reserved: 2026-02-15T16:03:56.796Z

Link: CVE-2026-2548

cve-icon Vulnrichment

Updated: 2026-02-17T16:57:24.829Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-16T09:16:08.853

Modified: 2026-02-18T17:52:22.253

Link: CVE-2026-2548

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-16T12:01:01Z

Weaknesses