Read the docs
TI-2021-05254 Aliases CVE-2021-22276GHSA-333w-grm8-fgcg

free@home System Access Point FW integrity check can be bypassed.

Priority LOW 27CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
None · Low · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.

Why it matters now

EPSS 0.00256 17th 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
ABBSystem Access Point2CKA006200A0156 – 2.6.3; 2CKA006200A0155 – 2.6.3; 2CKA006220A0240 – 2.6.3; 2CKA006220A0136 – 2.6.3; 2CKA006200A0130 – 2.6.3; 2CKA006200A0105 – 2.6.3; 2CKA006200A0071 – 2.6.3—No fix listedCNA
Busch-JaegerSystem Access Point2CKA006220A0031 – 2.6.3; 2CKA006200A0154 – 2.6.3—No fix listedCNA
  • System Access Point VendorABB Affected 2CKA006200A0156 – 2.6.3; 2CKA006200A0155 – 2.6.3; 2CKA006220A0240 – 2.6.3; 2CKA006220A0136 – 2.6.3; 2CKA006200A0130 – 2.6.3; 2CKA006200A0105 – 2.6.3; 2CKA006200A0071 – 2.6.3 Fixed in — No fix listed CNA
  • System Access Point VendorBusch-Jaeger Affected 2CKA006220A0031 – 2.6.3; 2CKA006200A0154 – 2.6.3 Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:abb:system_access_point_2.0_firmware:*:*:*:*:*:*:*:*before 2.6.4VulnerableABB
cpe:2.3:h:abb:system_access_point_2.0:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:system_access_point_127v_firmware:*:*:*:*:*:*:*:*before 2.6.4VulnerableABB
cpe:2.3:h:abb:system_access_point_127v:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:wl-system_access_point_127v_firmware:*:*:*:*:*:*:*:*before 2.6.4VulnerableABB
cpe:2.3:h:abb:wl-system_access_point_127v:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:wl-system_access_point_firmware:*:*:*:*:*:*:*:*before 2.6.4VulnerableABB
cpe:2.3:h:abb:wl-system_access_point:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:wl-system_access_point_2.0_firmware:*:*:*:*:*:*:*:*before 2.6.4VulnerableABB
cpe:2.3:h:abb:wl-system_access_point_2.0:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
  • cpe:2.3:o:abb:system_access_point_2.0_firmware:*:*:*:*:*:*:*:* Versions before 2.6.4 Vulnerable ·ABB
  • cpe:2.3:h:abb:system_access_point_2.0:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
  • cpe:2.3:o:abb:system_access_point_127v_firmware:*:*:*:*:*:*:*:* Versions before 2.6.4 Vulnerable ·ABB
  • cpe:2.3:h:abb:system_access_point_127v:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
  • cpe:2.3:o:abb:wl-system_access_point_127v_firmware:*:*:*:*:*:*:*:* Versions before 2.6.4 Vulnerable ·ABB
  • cpe:2.3:h:abb:wl-system_access_point_127v:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
  • cpe:2.3:o:abb:wl-system_access_point_firmware:*:*:*:*:*:*:*:* Versions before 2.6.4 Vulnerable ·ABB
  • cpe:2.3:h:abb:wl-system_access_point:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
  • cpe:2.3:o:abb:wl-system_access_point_2.0_firmware:*:*:*:*:*:*:*:* Versions before 2.6.4 Vulnerable ·ABB
  • cpe:2.3:h:abb:wl-system_access_point_2.0:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22276
  2. 2026-10-03 Alias added: GHSA-333w-grm8-fgcg

References

Advisory 1

Sources

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