Vulnerability details
CVE-2026-20167
Cisco IoT Field Network Director
Cisco IoT Field Network Director Remote Device Denial of Service Vulnerability
CVSS 3.1
7.7High
Official 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 cause a DoS condition on a remotely managed router. This vulnerability is due to improper error handling. An attacker could exploit this vulnerability by submitting crafted input to the web-based management interface. A successful exploit could allow the attacker to request unauthorized files from a remote router, causing the router to reload and resulting in a DoS condition.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.7High | 3.1 | CVEProject cvelistV5 (CNA) (cisco) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.1.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.1.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.1.2 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.1.3 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.10.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.11.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.12.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.12.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.2.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.3.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.3.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.3.2 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.4.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.4.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.4.2 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.4.3 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.4.4 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.5.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.5.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.6.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.6.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.6.2 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.7.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.7.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.7.2 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.8.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.8.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.9.0 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.9.1 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco IoT Field Network Director (IoT-FND) | 4.9.2 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-05-06
- Last updated
- 2026-05-06
- State
- Published
- Assigner (CNA)
- cisco
Exploit prediction (EPSS)
0.27%
Probability of exploitation in 30 days
19.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-284Improper Access Control