CVE-2026-20169
CVE-2026-20169 is a medium-severity vulnerability in Cisco Iot Field Network Director with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Medium (CVSS 3.x base score 6.4)
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-27854
- Weakness: CWE-77
- Affected product: Cisco Iot Field Network Director
- Published:
- Last modified:
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 access files and execute commands on a remote router. This vulnerability is due to insufficient input validation of user-supplied data. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to create, read, or delete files and execute limited commands in user EXEC mode on a remote router.
Frequently asked questions
- What is CVE-2026-20169?
- A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to access files and execute commands on a remote router. This vulnerability is due to insufficient input validation of user-supplied data. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to create, read, or delete files and execute limited commands in user EXEC mode on a remote router.
- How severe is CVE-2026-20169?
- CVE-2026-20169 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-20169 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-20169?
- CVE-2026-20169 affects Cisco Iot Field Network Director. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-20169?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-20169 have an EU (EUVD) identifier?
- Yes. CVE-2026-20169 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27854.
- When was CVE-2026-20169 published?
- CVE-2026-20169 was published on 2026-05-06 and last updated on 2026-06-29.
References
Affected products (1)
- cpe:2.3:a:cisco:iot_field_network_director:*:*:*:*:*:*:*:*
More vulnerabilities in Cisco Iot Field Network Director
- CVE-2020-3531 — Critical (CVSS 9.8): A vulnerability in the REST API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote…
- CVE-2020-26075 — High (CVSS 8.8): A vulnerability in the REST API of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker…
- CVE-2018-0270 — High (CVSS 8.8): A vulnerability in the web-based management interface of Cisco IoT Field Network Director (IoT-FND) could allow an…
- CVE-2020-26072 — High (CVSS 8.7): A vulnerability in the SOAP API of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker…
- CVE-2026-20167 — High (CVSS 7.7): A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated,…
- CVE-2023-44487 — High (CVSS 7.5): The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset…
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