Security readout for executives and security teams
Plain-English summary
CVE-2026-22537 affects EFACEC QC 60/90/120 chargers version 8. A maintenance user on the operating system can read files containing clear-text credentials or other sensitive information. This is not described as remotely exploitable, but it can increase impact if an attacker already has local low-privileged access.
Executive priority
Treat this as a medium-priority operational technology hardening issue. It is not documented as internet-remote or actively exploited, but exposed credentials on chargers can create serious follow-on risk. Prioritize affected charger inventory, access restriction, and vendor remediation tracking.
Technical view
The CVE describes insufficient OS hardening exposing sensitive files to the user used to manage and maintain the charger. CVSS v4.0 is 6.8, with AV:L, PR:L, UI:N, and high confidentiality impact. The weakness is mapped to CWE-497. No integrity or availability impact is reported in the CVE data.
Likely exposure
Exposure is limited to EFACEC QC 60/90/120 chargers running version 8, where an attacker has or obtains local low-privileged maintenance access. The provided record lists other versions as unaffected by default, but organizations should confirm exact firmware/software versions with vendor documentation.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not listed as KEV. Exploitation requires local access with low privileges. The main risk is credential disclosure, which could enable lateral movement, broader charger administration access, or follow-on compromise depending on environment configuration.
Researcher notes
Evidence is limited to the CVE record and referenced source. The advisory does not name specific files, credentials, patches, or exploit details. Avoid assuming remote exploitability. Focus validation on version 8 devices, local privilege boundaries, and whether maintenance users can access sensitive clear-text data.
Mitigation direction
- Identify EFACEC QC 60/90/120 chargers running version 8.
- Check EFACEC or referenced Thales guidance for official remediation or hardening steps.
- Restrict maintenance OS access to trusted, named personnel only.
- Review exposed credentials and rotate any secrets found in clear text.
- Apply vendor-approved updates or configuration changes when available.
Validation and detection
- Inventory charger model and version across operational environments.
- Confirm whether maintenance OS accounts exist and who can use them.
- Review vendor advisories for CVE-2026-22537 status and fixes.
- Assess whether sensitive files are readable by maintenance users.
- Check logs for unexpected maintenance account activity.
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.
CWE-497: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-22537 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
- Medium
- CVSS
- 6.8 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.8MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://cds.thalesgroup.com/enCVE reference
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.
Exposure of Sensitive System Information to an Unauthorized Control Sphere
Exposure of Sensitive System Information to an Unauthorized Control Sphere represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.