CVE-2026-20168
Cisco IoT Field Network Director Path Traversal Vulnerability
Description
A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access. This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access.
INFO
Published Date :
May 6, 2026, 5:16 p.m.
Last Modified :
June 30, 2026, 8:38 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Cisco IoT Field Network Director to the latest version.
- Apply relevant security patches provided by the vendor.
- Review access control configurations for file retrieval.
Public PoC/Exploit Available at Github
CVE-2026-20168 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2026-20168.
| URL | Resource |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-20168 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-2026-20168
weaknesses.
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).
Red team firmware triage and IoT exploitation tool - offline analysis, CVE matching, credential testing, and exploitation
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-20168 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-20168 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]
Jun. 30, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:cisco:iot_field_network_director:*:*:*:*:*:*:*:* versions up to (excluding) 5.0.0-117 Added Reference Type Cisco Systems, Inc.: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u Types: Vendor Advisory -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Cisco', 'product': 'Cisco IoT Field Network Director (IoT-FND)', 'versions': [{'status': 'affected', 'version': '4.5.1'}, {'status': 'affected', 'version': '4.4.3'}, {'status': 'affected', 'version': '4.1.0'}, {'status': 'affected', 'version': '4.1.3'}, {'status': 'affected', 'version': '4.6.1'}, {'status': 'affected', 'version': '4.1.1'}, {'status': 'affected', 'version': '4.4.0'}, {'status': 'affected', 'version': '4.2.0'}, {'status': 'affected', 'version': '4.4.2'}, {'status': 'affected', 'version': '4.3.0'}, {'status': 'affected', 'version': '4.6.0'}, {'status': 'affected', 'version': '4.4.4'}, {'status': 'affected', 'version': '4.3.2'}, {'status': 'affected', 'version': '4.1.2'}, {'status': 'affected', 'version': '4.4.1'}, {'status': 'affected', 'version': '4.5.0'}, {'status': 'affected', 'version': '4.3.1'}, {'status': 'affected', 'version': '4.7.0'}, {'status': 'affected', 'version': '4.6.2'}, {'status': 'affected', 'version': '4.7.1'}, {'status': 'affected', 'version': '4.7.2'}, {'status': 'affected', 'version': '4.8.0'}, {'status': 'affected', 'version': '4.8.1'}, {'status': 'affected', 'version': '4.9.0'}, {'status': 'affected', 'version': '4.9.1'}, {'status': 'affected', 'version': '4.10.0'}, {'status': 'affected', 'version': '4.9.2'}, {'status': 'affected', 'version': '4.11.0'}, {'status': 'affected', 'version': '4.12.0'}, {'status': 'affected', 'version': '4.12.1'}], 'defaultStatus': 'unknown'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-20168', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-05-06T17:59:03.972223Z'} -
New CVE Received by [email protected]
May. 06, 2026
Action Type Old Value New Value Added Description A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access. This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-388 Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u