How severe is CVE-2025-4451?

CVE-2025-4451 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4451?

CVE-2025-4451 affects Dlink Dir-619l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4451?

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.

Does CVE-2025-4451 have an EU (EUVD) identifier?

Yes. CVE-2025-4451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14060.

When was CVE-2025-4451 published?

CVE-2025-4451 was published on 2025-05-09 and last updated on 2026-06-17.

CVE-2025-4451

CVE-2025-4451 is a high-severity vulnerability in Dlink Dir-619l Firmware with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 8.7
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14060
Weakness: CWE-120
Affected product: Dlink Dir-619l Firmware
Published: 2025-05-09
Last modified: 2026-06-17

Description

A vulnerability has been found in D-Link DIR-619L 2.04B04 and classified as critical. Affected by this vulnerability is the function formSetWAN_Wizard52. The manipulation of the argument curTime leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2025-4451?: A vulnerability has been found in D-Link DIR-619L 2.04B04 and classified as critical. Affected by this vulnerability is the function formSetWAN_Wizard52. The manipulation of the argument curTime leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2025-4451?: CVE-2025-4451 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4451?: CVE-2025-4451 affects Dlink Dir-619l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4451?: 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.
Does CVE-2025-4451 have an EU (EUVD) identifier?: Yes. CVE-2025-4451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14060.
When was CVE-2025-4451 published?: CVE-2025-4451 was published on 2025-05-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-619l_firmware:2.04b04:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-619l Firmware

CVE-2023-43869 — Critical (CVSS 9.8): D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWAN_Wizard56 function.
CVE-2020-19320 — Critical (CVSS 9.8): Buffer overflow vulnerability in DLINK 619L version B 2.06beta via the curTime parameter on login.
CVE-2020-19319 — Critical (CVSS 9.8): Buffer overflow vulnerability in DLINK 619L version B 2.06beta via the FILECODE parameter on login.
CVE-2023-37791 — Critical (CVSS 9.8): D-Link DIR-619L v2.04(TW) was discovered to contain a stack overflow via the curTime parameter at /goform/formLogin.
CVE-2014-8361 — Critical (CVSS 9.8): The miniigd SOAP service in Realtek SDK allows remote attackers to execute arbitrary code via a crafted…
CVE-2025-6617 — High (CVSS 8.8): A vulnerability was found in D-Link DIR-619L 2.06B01 and classified as critical. This issue affects the function…

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