How severe is CVE-2018-17440?

CVE-2018-17440 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17440?

CVE-2018-17440 affects Dlink Central Wifimanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17440?

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

When was CVE-2018-17440 published?

CVE-2018-17440 was published on 2018-10-08 and last updated on 2026-06-17.

CVE-2018-17440

CVE-2018-17440 is a critical-severity vulnerability in Dlink Central Wifimanager with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 37% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 37% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Dlink Central Wifimanager
Published: 2018-10-08
Last modified: 2026-06-17

Description

An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. They expose an FTP server that serves by default on port 9000 and has hardcoded credentials (admin, admin). Taking advantage of this, a remote unauthenticated attacker could execute arbitrary PHP code by uploading any file in the web root directory and then accessing it via a request.

Frequently asked questions

What is CVE-2018-17440?: An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. They expose an FTP server that serves by default on port 9000 and has hardcoded credentials (admin, admin). Taking advantage of this, a remote unauthenticated attacker could execute arbitrary PHP code by uploading any file in the web root directory and then accessing it via a request.
How severe is CVE-2018-17440?: CVE-2018-17440 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17440?: CVE-2018-17440 affects Dlink Central Wifimanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17440 published?: CVE-2018-17440 was published on 2018-10-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dlink:central_wifimanager:*:*:*:*:*:*:*:*

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