Security readout for executives and security teams
Plain-English summary
CVE-2026-22910 affects SICK AG TDC-X401GL devices. The device ships with weak, publicly known default passwords for certain hidden user levels. If reachable by an attacker, this can allow unauthorized access. The public record rates it high severity. No cited source states active exploitation.
Executive priority
Prioritize remediation for internet-reachable or remotely accessible devices. This is a high-severity access-control weakness in industrial equipment, but urgency depends on deployment exposure and whether default credentials remain active.
Technical view
The issue is CWE-1391: use of weak default credentials. The CVSS 3.1 score is 7.5, vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. The affected product is SICK AG TDC-X401GL, all versions. The record emphasizes unauthorized access risk through hidden user levels.
Likely exposure
Organizations using SICK TDC-X401GL devices are potentially exposed, especially if management interfaces are reachable from enterprise networks, remote access paths, or the internet. The source bundle lists all versions as affected.
Exploitation context
The CVSS vector indicates network access, low complexity, no privileges, and no user interaction. This suggests exposure depends heavily on network reachability and credential state. KEV is false, and the provided sources do not claim active exploitation.
Researcher notes
Evidence is limited to the CVE record and vendor references. No patch version, exploit publication, or exploitation-in-the-wild claim is provided in the bundle. The CVSS vector reports confidentiality impact, while the description emphasizes system integrity risk.
Mitigation direction
- Review SICK PSIRT advisory SCA-2026-0001 for vendor-specific remediation guidance.
- Change default passwords where supported, including privileged and hidden user levels.
- Restrict device access to trusted management networks only.
- Block internet exposure and unnecessary remote access paths.
- Apply SICK cybersecurity operating guidelines and CISA ICS security practices.
Validation and detection
- Inventory environments for SICK TDC-X401GL devices.
- Confirm firmware/product versions and treat all versions as affected.
- Verify no default or publicly known credentials remain in use.
- Check network exposure from IT, OT, VPN, and internet paths.
- Review device and access logs for unexpected authentication events.
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-1391: 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-2026-22910 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A: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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
Use of Weak Credentials
Use of Weak Credentials represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.