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Tdc X401gl Firmware CVE-2026-22916

MEDIUM
Incorrect Privilege Assignment (CWE-266)
2026-01-15 psirt@sick.de
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Privilege assignment review
Impact

CVSS 4.3 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None.

Exploit ScenarioDerived

An attacker could exploit this flaw, service disruption or loss of configuration.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

TDC X401GL firmware lacks proper authorization controls on privileged operations, allowing authenticated users to trigger system functions like reboot or factory reset without appropriate restrictions. This could enable attackers with low-level credentials to disrupt service availability or erase device configurations. No patch is currently available for this vulnerability.

Earlier versions of this analysis (1)
v1 Mar 12, 2026 - 21:54 CVSS 4.3

An attacker with low privileges may be able to trigger critical system functions such as reboot or factory reset without proper restrictions, potentially leading to service disruption or loss of configuration. [CVSS 4.3 MEDIUM]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Affects Tdc-X401Gl Firmware. An attacker with low privileges may be able to trigger critical system functions such as reboot or factory reset without proper restrictions, potentially leading to service disruption or loss of configuration.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

DescriptionCVE.org

An attacker with low privileges may be able to trigger critical system functions such as reboot or factory reset without proper restrictions, potentially leading to service disruption or loss of configuration.

Executive ViewAI

Why It Matters

CVE-2026-22916 presents moderate security risk rated CVSS 4.3. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 95% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:sick:tdc-x401gl_firmware:*:*:*:*:*:*:*:*
CVE-2026-22907 CRITICAL
9.9 Jan 15

Container management vulnerability allows authenticated users to escape to the host filesystem with read/write access. C

CVE-2026-22908 CRITICAL
9.1 Jan 15

Uploading unvalidated container images enables remote attackers with admin access to achieve full system compromise thro

CVE-2026-22909 HIGH
7.5 Jan 15

TDC X401gl devices with unpatched firmware lack proper authorization controls for critical system functions, enabling un

CVE-2026-22910 HIGH
7.5 Jan 15

TDC X401GL firmware contains hardcoded default credentials for privileged user accounts, enabling unauthenticated attack

CVE-2026-22911 MEDIUM
5.3 Jan 15

TDC X401GL firmware updates contain hardcoded password hashes for system accounts that are accessible to unauthenticated

CVE-2026-22917 MEDIUM
4.3 Jan 15

Denial of service conditions in TDC X401GL firmware can be triggered by authenticated network attackers through improper

CVE-2026-22912 MEDIUM
4.3 Jan 15

Insufficient validation of login parameters in TDC X401gl Firmware enables open redirect attacks that can redirect authe

CVE-2026-22915 MEDIUM
4.3 Jan 15

Tdc X401gl Firmware contains an information disclosure vulnerability that allows authenticated attackers to access files

CVE-2026-22918 MEDIUM
4.3 Jan 15

Tdc X401gl firmware lacks clickjacking protections, allowing remote attackers to deceive users into executing unintended

CVE-2026-22913 MEDIUM
4.3 Jan 15

TDC X401GL firmware contains a reflected cross-site scripting vulnerability in URL parameter handling that allows unauth

CVE-2026-22914 MEDIUM
4.3 Jan 15

TDC X401GL devices allow authenticated users to write files to restricted locations due to insufficient access controls,

CVE-2026-22919 LOW
3.8 Jan 15

An attacker with administrative access may inject malicious content into the login page, potentially enabling cross-site

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