How severe is CVE-2017-14430?

CVE-2017-14430 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-14430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14430?

CVE-2017-14430 primarily affects Dlink Dir-850l Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-14430?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-14430 published?

CVE-2017-14430 was published on 2017-09-13 and last updated on 2026-06-17.

CVE-2017-14430

CVE-2017-14430 is a high-severity vulnerability in Dlink Dir-850l Firmware with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Dlink Dir-850l Firmware
Published: 2017-09-13
Last modified: 2026-06-17

Description

D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allow remote attackers to cause a denial of service (daemon crash) via crafted LAN traffic.

Frequently asked questions

What is CVE-2017-14430?: D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allow remote attackers to cause a denial of service (daemon crash) via crafted LAN traffic.
How severe is CVE-2017-14430?: CVE-2017-14430 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-14430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14430?: CVE-2017-14430 primarily affects Dlink Dir-850l Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-14430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-14430 published?: CVE-2017-14430 was published on 2017-09-13 and last updated on 2026-06-17.

References

https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html

Affected products (2)

cpe:2.3:o:dlink:dir-850l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-850l_firmware:fw114wwb07_h2ab:beta1:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-850l Firmware

CVE-2023-49004 — Critical (CVSS 9.8): An issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to…
CVE-2018-20675 — Critical (CVSS 9.8): D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B*…
CVE-2016-6563 — Critical (CVSS 9.8): Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some…
CVE-2018-9032 — Critical (CVSS 9.8): An authentication bypass vulnerability on D-Link DIR-850L Wireless AC1200 Dual Band Gigabit Cloud Router (Hardware…
CVE-2017-14429 — Critical (CVSS 9.8): The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware…
CVE-2017-14421 — Critical (CVSS 9.8): D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of…

All CVEs affecting Dlink Dir-850l Firmware →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →