1. Home
  2. Vulnerabilities
  3. CVE-2026-22911
7.5
HIGH CVSS 3.1
CVE-2026-22911
Cisco Router Password Hash Exposure Vulnerability
Description

Firmware update files may expose password hashes for system accounts, which could allow a remote attacker to recover credentials and gain unauthorized access to the device.

INFO

Published Date :

Jan. 15, 2026, 1:16 p.m.

Last Modified :

Jan. 23, 2026, 3:35 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2026-22911 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sick tdc-x401gl_firmware
2 Sick tdc-x401gl
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM a6863dd2-93fc-443d-bef1-79f0b5020988
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
Solution
Secure firmware updates to prevent exposure of password hashes and unauthorized access.
  • Restrict access to firmware update files.
  • Implement secure credential storage.
  • Apply vendor patches for firmware.
  • Monitor system logs for access.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-22911.

URL Resource
https://sick.com/psirt Vendor Advisory
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices US Government Resource
https://www.first.org/cvss/calculator/3.1 Not Applicable
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.json Vendor Advisory
https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdf Vendor Advisory
https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-22911 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-22911 weaknesses.

CAPEC-50: Password Recovery Exploitation Password Recovery Exploitation CAPEC-102: Session Sidejacking Session Sidejacking CAPEC-474: Signature Spoofing by Key Theft Signature Spoofing by Key Theft CAPEC-509: Kerberoasting Kerberoasting CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-555: Remote Services with Stolen Credentials Remote Services with Stolen Credentials CAPEC-560: Use of Known Domain Credentials Use of Known Domain Credentials CAPEC-561: Windows Admin Shares with Stolen Credentials Windows Admin Shares with Stolen Credentials CAPEC-600: Credential Stuffing Credential Stuffing CAPEC-644: Use of Captured Hashes (Pass The Hash) Use of Captured Hashes (Pass The Hash) CAPEC-645: Use of Captured Tickets (Pass The Ticket) Use of Captured Tickets (Pass The Ticket) CAPEC-652: Use of Known Kerberos Credentials Use of Known Kerberos Credentials CAPEC-653: Use of Known Operating System Credentials Use of Known Operating System Credentials CAPEC-70: Try Common or Default Usernames and Passwords Try Common or Default Usernames and Passwords CAPEC-191: Read Sensitive Constants Within an Executable Read Sensitive Constants Within an Executable

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-22911 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-22911 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 23, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-522
    Added CPE Configuration AND OR *cpe:2.3:o:sick:tdc-x401gl_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:sick:tdc-x401gl:-:*:*:*:*:*:*:*
    Added Reference Type SICK AG: https://sick.com/psirt Types: Vendor Advisory
    Added Reference Type SICK AG: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices Types: US Government Resource
    Added Reference Type SICK AG: https://www.first.org/cvss/calculator/3.1 Types: Not Applicable
    Added Reference Type SICK AG: https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.json Types: Vendor Advisory
    Added Reference Type SICK AG: https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdf Types: Vendor Advisory
    Added Reference Type SICK AG: https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf Types: Product
  • New CVE Received by [email protected]

    Jan. 15, 2026

    Action Type Old Value New Value
    Added Description Firmware update files may expose password hashes for system accounts, which could allow a remote attacker to recover credentials and gain unauthorized access to the device.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Added CWE CWE-798
    Added Reference https://sick.com/psirt
    Added Reference https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
    Added Reference https://www.first.org/cvss/calculator/3.1
    Added Reference https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.json
    Added Reference https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0001.pdf
    Added Reference https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact