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TI-2017-12338 Aliases CVE-2017-16778GHSA-54w4-4qgr-936w

An access control weakness in the DTMF tone receiver of Fermax Outdoor Panel allows…

Priority LOW 22CWE-863Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

An access control weakness in the DTMF tone receiver of Fermax Outdoor Panel allows physical attackers to inject a Dual-Tone-Multi-Frequency (DTMF) tone to invoke an access grant that would allow physical access to a restricted floor/level. By design, only a residential unit owner may allow such an access grant. However, due to incorrect access control, an attacker could inject it via the speaker unit to perform an access grant to gain unauthorized access, as demonstrated by a loud DTMF tone representing '1' and a long '#' (697 Hz and 1209 Hz, followed by 941 Hz and 1477 Hz).

Why it matters now

EPSS 0.00555 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:fermax:outdoor_panel_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableFermax
cpe:2.3:h:fermax:outdoor_panel:-:*:*:*:*:*:*:*not specified by NVDRunning onFermax
  • cpe:2.3:o:fermax:outdoor_panel_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Fermax
  • cpe:2.3:h:fermax:outdoor_panel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Fermax

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16778
  2. 2026-10-03 Alias added: GHSA-54w4-4qgr-936w

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences