CVE-2026-2548

Summary

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.

Affected Software

Weaknesses

• CWE-77: Command Injection
• CWE-74: Injection

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/glkfc/IoT-Vulnerability/blob/main/wayos/wayos.md

References

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

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