Security readout for executives and security teams
Plain-English summary
This CVE affects Schneider Electric Wiser for KNX, homeLYnk, and spaceLYnk building automation products. The reported issue is weak and unprotected FTP access that could let an attacker gain unauthorized access. Business urgency depends mainly on whether these devices are deployed and whether FTP is reachable from untrusted networks.
Executive priority
Treat this as an exposure-driven OT and facilities risk. Prioritize if affected devices manage building systems or are reachable from corporate, guest, vendor, or internet-facing networks.
Technical view
Affected versions are Wiser for KNX V2.1.0 and prior, homeLYnk V2.0.1 and prior, and spaceLYnk V2.1.0 and prior. The source description identifies weak and unprotected FTP access enabling unauthorized access. No CVSS, CWE, exploit detail, or remediation specifics are provided in the supplied bundle.
Likely exposure
Exposure is likely limited to organizations using the listed Schneider Electric building automation controllers, especially where device management services or FTP are reachable beyond trusted operational networks.
Exploitation context
The supplied sources do not show active exploitation. CISA KEV status is false in the bundle. The available evidence supports unauthorized-access risk through FTP, but not exploit prevalence, exploit maturity, or attacker targeting.
Researcher notes
The bundle is sparse: no CVSS vector, CWE, proof-of-concept status, or explicit fix details are included. Analysis should stay anchored to unauthorized FTP access and the named product/version ranges.
Mitigation direction
- Review Schneider Electric advisory SEVD-2018-109-02 for vendor-approved remediation.
- Inventory Wiser for KNX, homeLYnk, and spaceLYnk deployments and versions.
- Restrict FTP access to trusted management networks only.
- Remove internet exposure for affected devices where possible.
- Apply vendor firmware or configuration guidance if the advisory names one.
Validation and detection
- Confirm product and firmware versions against the affected ranges.
- Check whether FTP is enabled on affected devices.
- Verify FTP is unreachable from untrusted networks.
- Review access logs for unexpected FTP activity if available.
- Document compensating controls until vendor remediation is confirmed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-7779 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.schneider-electric.com/en/download/document/SEVD-2018-109-02/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.