CVE-2026-2548

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 v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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

Configurations

No configuration.

History

18 Feb 2026, 17:52

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una vulnerabilidad en WAYOS FBM-220G 24.10.19. Esto afecta a la función sub_40F820 del archivo rc. La ejecución de una manipulación del argumento upnp_waniface/upnp_ssdp_interval/upnp_max_age puede conducir a una inyección de comandos. El ataque puede ejecutarse de forma remota. Se contactó al proveedor con antelación sobre esta divulgación, pero no respondió de ninguna manera.

17 Feb 2026, 17:21

Type	Values Removed	Values Added
References	~~() https://github.com/glkfc/IoT-Vulnerability/blob/main/wayos/wayos.md -~~	() https://github.com/glkfc/IoT-Vulnerability/blob/main/wayos/wayos.md -

16 Feb 2026, 09:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-16 09:16

Updated : 2026-02-18 17:52

NVD link : CVE-2026-2548

Mitre link : CVE-2026-2548

CVE.ORG link : CVE-2026-2548

JSON object : View

Products Affected

No product.

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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