How severe is CVE-2015-2051?

CVE-2015-2051 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-2051 being actively exploited?

Yes. CVE-2015-2051 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-02-10, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2015-2051?

CVE-2015-2051 affects Dlink Dir-645 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-2051?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2015-2051 have an EU (EUVD) identifier?

Yes. CVE-2015-2051 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2015-2164. It is also flagged as exploited in the EUVD (since 2022-02-10).

When was CVE-2015-2051 published?

CVE-2015-2051 was published on 2015-02-23 and last updated on 2026-06-17.

CVE-2015-2051

CVE-2015-2051 is a high-severity vulnerability in Dlink Dir-645 Firmware with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-02-10). The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 10.0
EPSS exploit prediction: 97% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-02-10)
EU (EUVD) id: EUVD-2015-2164
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-02-10)
Weakness: CWE-77
Affected product: Dlink Dir-645 Firmware
Published: 2015-02-23
Last modified: 2026-06-17

Description

The D-Link DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier allows remote attackers to execute arbitrary commands via a GetDeviceSettings action to the HNAP interface.

Frequently asked questions

What is CVE-2015-2051?: The D-Link DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier allows remote attackers to execute arbitrary commands via a GetDeviceSettings action to the HNAP interface.
How severe is CVE-2015-2051?: CVE-2015-2051 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-2051 being actively exploited?: Yes. CVE-2015-2051 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-02-10, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2015-2051?: CVE-2015-2051 affects Dlink Dir-645 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-2051?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2015-2051 have an EU (EUVD) identifier?: Yes. CVE-2015-2051 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2015-2164. It is also flagged as exploited in the EUVD (since 2022-02-10).
When was CVE-2015-2051 published?: CVE-2015-2051 was published on 2015-02-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-645_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-645 Firmware

CVE-2015-2052 — Critical (CVSS 10.0): Stack-based buffer overflow in the DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier allows…
CVE-2018-25115 — Critical (CVSS 9.8): Multiple D-Link DIR-series routers, including DIR-110, DIR-412, DIR-600, DIR-610, DIR-615, DIR-645, and DIR-815…
CVE-2023-36089 — Critical (CVSS 9.8): Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain escalated…
CVE-2022-46475 — Critical (CVSS 9.8): D-Link DIR 645A1 1.06B01_Beta01 was discovered to contain a stack overflow via the service= variable in the…
CVE-2022-32092 — Critical (CVSS 9.8): D-Link DIR-645 v1.03 was discovered to contain a command injection vulnerability via the QUERY_STRING parameter at…
CVE-2021-43722 — Critical (CVSS 9.8): D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to…

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