CVE-2021-22276
free@home System Access Point FW integrity check can be bypassed.
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
free@home System Access Point FW integrity check can be bypassed.
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.
- Record
CVE-2021-22276- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2021-9422
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.
- Record
EUVD-2021-9422- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-333w-grm8-fgcg No score
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to...
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.
- Record
GHSA-333w-grm8-fgcg- Weakness
- CWE-354
- Updated
- 2026-11-02
NVD
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.
- Record
CVE-2021-22276- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-200, CWE-354
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22276 is a medium vulnerability (CVSS 6.1) in Abb System Access Point, published September 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.