Security readout for executives and security teams
Plain-English summary
CVE-2026-22916 affects SICK AG TDC-X401GL devices. A low-privileged user may trigger sensitive system functions, including reboot or factory reset, without proper restrictions. The likely business impact is service disruption or loss of device configuration, not data theft. Public sources rate this as medium severity.
Executive priority
Treat as a targeted operational resilience issue. Prioritize sites where TDC-X401GL devices support production, safety-adjacent operations, or critical processes. The urgency is moderate unless devices are broadly accessible or configuration recovery is difficult.
Technical view
The issue is an authorization weakness mapped to CWE-266. CVSS 3.1 is 4.3: network exploitable, low attack complexity, low privileges required, no user interaction, unchanged scope, and low availability impact. The affected product entry lists SICK AG TDC-X401GL, all versions, as affected.
Likely exposure
Exposure is most relevant where TDC-X401GL management interfaces are reachable by users or networks that include low-privileged accounts. Risk increases if devices are accessible beyond tightly controlled operational technology networks. The source bundle does not identify internet exposure levels or specific deployment patterns.
Exploitation context
CISA KEV status is false, and the provided sources do not state active exploitation. The described abuse requires some level of authenticated low privilege access. The reported impact is disruption through reboot or factory reset and possible configuration loss.
Researcher notes
The source bundle does not name a patch, fixed version, exploit publication, or detailed vulnerable endpoint. Avoid assuming exploitability beyond the CVSS and vendor description. Focus validation on authorization boundaries around reboot and factory reset functions without performing disruptive tests on production devices.
Mitigation direction
- Check SICK PSIRT advisory sca-2026-0001 for current remediation guidance.
- Restrict management access to trusted administrators and OT management networks.
- Review accounts with any access to TDC-X401GL devices.
- Apply SICK operating cybersecurity guidelines where applicable.
- Follow CISA ICS recommended practices for segmentation and remote access control.
Validation and detection
- Inventory environments for SICK AG TDC-X401GL devices.
- Confirm device versions and affected status against SICK advisory sca-2026-0001.
- Review whether low-privileged users can access device management functions.
- Check logs for unexpected reboot or factory reset events.
- Validate network segmentation limits access to authorized management paths.
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-266: 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-2026-22916 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://sick.com/psirtCVE reference · x_SICK PSIRT Security Advisories
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdfCVE reference · x_SICK Operating Guidelines
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practicesCVE reference · x_ICS-CERT recommended practices on Industrial Security
- https://www.first.org/cvss/calculator/3.1CVE reference · x_CVSS v3.1 Calculator
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.jsonCVE reference · x_The canonical URL.
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdfCVE reference · vendor-advisory
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.
Incorrect Privilege Assignment
Incorrect Privilege Assignment represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.