How severe is CVE-2025-6114?

CVE-2025-6114 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-2025-6114 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6114?

CVE-2025-6114 affects Dlink Dir-619l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6114?

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-2025-6114 have an EU (EUVD) identifier?

Yes. CVE-2025-6114 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18370.

When was CVE-2025-6114 published?

CVE-2025-6114 was published on 2025-06-16 and last updated on 2026-06-17.

CVE-2025-6114

CVE-2025-6114 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 7.4
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18370
Weakness: CWE-119
Affected product: Dlink Dir-619l Firmware
Published: 2025-06-16
Last modified: 2026-06-17

Description

A vulnerability has been found in D-Link DIR-619L 2.06B01 and classified as critical. Affected by this vulnerability is the function form_portforwarding of the file /goform/form_portforwarding. The manipulation of the argument ingress_name_%d/sched_name_%d/name_%d leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2025-6114?: A vulnerability has been found in D-Link DIR-619L 2.06B01 and classified as critical. Affected by this vulnerability is the function form_portforwarding of the file /goform/form_portforwarding. The manipulation of the argument ingress_name_%d/sched_name_%d/name_%d leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2025-6114?: CVE-2025-6114 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-2025-6114 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6114?: CVE-2025-6114 affects Dlink Dir-619l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6114?: 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-2025-6114 have an EU (EUVD) identifier?: Yes. CVE-2025-6114 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18370.
When was CVE-2025-6114 published?: CVE-2025-6114 was published on 2025-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-619l_firmware:2.06b01:*:*:*:*:*:*:*

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.
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