A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could…
Priority LOW 35CWE-669Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A CWE-669: Incorrect Resource Transfer Between Spheres vulnerability exists that could cause data exfiltration and unauthorized access when accessing a malicious website. Affected Product: spaceLYnk (V2.6.1 and prior), Wiser for KNX (V2.6.1 and prior), fellerLYnk (V2.6.1 and prior)
Why it matters now
EPSS 0.00954 61st 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | spaceLYnk (V2.6.1 and prior), Wiser for KNX (V2.6.1 and prior), fellerLYnk (V2.6.1 and prior) | spaceLYnk (V2.6.1 and prior), Wiser for KNX (V2.6.1 and prior), fellerLYnk (V2.6.1 and prior) | — | No fix listed | CNA |
- spaceLYnk (V2.6.1 and prior), Wiser for KNX (V2.6.1 and prior), fellerLYnk (V2.6.1 and prior) Vendor— Affected spaceLYnk (V2.6.1 and prior), Wiser for KNX (V2.6.1 and prior), fellerLYnk (V2.6.1 and prior) Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:* | up to 2.6.1 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:wiser_for_knx_firmware:*:*:*:*:*:*:*:* | up to 2.6.1 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:wiser_for_knx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:fellerlynk_firmware:*:*:*:*:*:*:*:* | up to 2.6.1 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:fellerlynk:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:* Versions up to 2.6.1 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:wiser_for_knx_firmware:*:*:*:*:*:*:*:* Versions up to 2.6.1 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:wiser_for_knx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:fellerlynk_firmware:*:*:*:*:*:*:*:* Versions up to 2.6.1 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:fellerlynk:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22806
- 2026-10-03 Alias added: GHSA-565q-5jqq-h2wg
More Schneider Electric Fellerlynk Firmware vulnerabilities
- TI-2022-07054 Missing brute-force protection in spaceLYnk , Wiser for KNX , fellerLYnk CVSS 3.1CRITICAL 9.8
- TI-2022-07055 Cross-site request forgery in spaceLYnk , Wiser for KNX , fellerLYnk CVSS 3.1HIGH 8.1
- TI-2022-07056 Cross-site scripting in spaceLYnk , Wiser for KNX , fellerLYnk CVSS 3.1MEDIUM 6.1
- TI-2022-07053 Missing authentication in spaceLYnk , Wiser for KNX , fellerLYnk CVSS 3.1MEDIUM 5.3
Sources
- CVE-2021-22806 · CVE Program
- CVE-2021-22806 · NVD
- FIRST EPSS
- GHSA-565q-5jqq-h2wg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences