Missing brute-force protection in homeLYnk and spaceLYnk V2.60 and prior
Priority MEDIUM 44CWE-307Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-307.
Summary
Insufficiently Protected Credentials vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access of when credentials are discovered after a brute force attack.
Why it matters now
EPSS 0.0095 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 |
|---|---|---|---|---|---|
| — | homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior | homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior | — | No fix listed | CNA |
- homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior Vendor— Affected homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:* | up to 2.6.0 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:spacelynk:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:homelynk_firmware:*:*:*:*:*:*:*:* | up to 2.6.0 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:homelynk:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:* Versions up to 2.6.0 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:homelynk_firmware:*:*:*:*:*:*:*:* Versions up to 2.6.0 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:homelynk:-:*:*:*:*:*:*:* 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-2021-22737
- 2026-10-03 Alias added: GHSA-5v8x-r44h-3xh9
References
More Schneider Electric Homelynk Firmware vulnerabilities
- TI-2021-05619 Broken or risky cryptographic algorithm in homeLYnk and spaceLYnk V2.60 and prior CVSS 3.1CRITICAL 9.8
- TI-2018-05621 In Schneider Electric Wiser for KNX V2.1.0 and prior, homeLYnk V2.0.1 and prior; and… CVSS 3.0HIGH 7.5
- TI-2021-05617 Path traversal in homeLYnk and spaceLYnk V2.60 and prior CVSS 3.1HIGH 7.5
- TI-2021-05616 Improper signature verification in homeLYnk and spaceLYnk V2.60 and prior CVSS 3.1HIGH 7.2
- TI-2021-05615 Improper signature verification in homeLYnk and spaceLYnk V2.60 and prior CVSS 3.1HIGH 7.2
- TI-2021-05613 Improper privilege management in homeLYnk and spaceLYnk V2.60 and prior CVSS 3.1HIGH 7.8
Sources
- CVE-2021-22737 · CVE Program
- CVE-2021-22737 · NVD
- FIRST EPSS
- GHSA-5v8x-r44h-3xh9 · 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