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Vulnerabilities

Vulnerability · CVE-2026-2548

A flaw has been found in WAYOS FBM-220G 24.10.19.

Published Feb 16, 2026 · catalog updated Feb 23, 2026 · WAYOS FBM-220G

Last checked Nov 12, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-2548. EPSS is 2.21%. Act only if a listed version of WAYOS FBM-220G is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.21%
Remediation
Vendor / distro source
Affected products
vendor WAYOS FBM-220G 24.10.19

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor WAYOS FBM-220G 24.10.1924.10.19

How to fix CVE-2026-2548

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-2548. EPSS is 2.21%. Act only if a listed version of WAYOS FBM-220G is installed.

Which versions are affected?

Compare what you have installed with WAYOS FBM-220G 24.10.19 24.10.19. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 20, 2026 · urlscan.io

    Detected

    CVE-2026-2548 WAYOS FBM-220G rc sub_40F820 command injection (EUVD-2026-6105)

  2. Feb 23, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-2548

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2548

    30-day exploitation probability 2.21%

    first.org
  • EUVDVulnerability recordEUVD-2026-6105

    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 contact

    euvd.enisa.europa.eu
  • urlscan.ioThreat intelligenceCVE-2026-2548
    urlscan.io

References

Freshness

Last verified in this catalog Nov 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 12, 2026
  • EUVDNov 9, 2026
  • CVE.orgNov 7, 2026
  • urlscan.ioNov 6, 2026