How severe is CVE-2025-6328?

CVE-2025-6328 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-2025-6328 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6328?

CVE-2025-6328 affects Dlink Dir-815 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6328?

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-2025-6328 have an EU (EUVD) identifier?

Yes. CVE-2025-6328 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18734.

When was CVE-2025-6328 published?

CVE-2025-6328 was published on 2025-06-20 and last updated on 2026-06-17.

CVE-2025-6328

CVE-2025-6328 is a high-severity vulnerability in Dlink Dir-815 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% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18734
Weakness: CWE-119
Affected product: Dlink Dir-815 Firmware
Published: 2025-06-20
Last modified: 2026-06-17

Description

A vulnerability was found in D-Link DIR-815 1.01. It has been declared as critical. This vulnerability affects the function sub_403794 of the file hedwig.cgi. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-6328?: A vulnerability was found in D-Link DIR-815 1.01. It has been declared as critical. This vulnerability affects the function sub_403794 of the file hedwig.cgi. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6328?: CVE-2025-6328 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-2025-6328 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6328?: CVE-2025-6328 affects Dlink Dir-815 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6328?: 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-2025-6328 have an EU (EUVD) identifier?: Yes. CVE-2025-6328 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18734.
When was CVE-2025-6328 published?: CVE-2025-6328 was published on 2025-06-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-815_firmware:1.0.1:*:*:*:*:*:*:*

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