How severe is CVE-2025-45059?

CVE-2025-45059 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-45059 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-45059?

CVE-2025-45059 affects Dlink Di-8300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-45059?

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-2025-45059 have an EU (EUVD) identifier?

Yes. CVE-2025-45059 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209311.

When was CVE-2025-45059 published?

CVE-2025-45059 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2025-45059

CVE-2025-45059 is a high-severity vulnerability in Dlink Di-8300 Firmware with a CVSS 3.x base score of 7.5. 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 7.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209311
Weakness: CWE-120
Affected product: Dlink Di-8300 Firmware
Published: 2026-04-08
Last modified: 2026-06-17

Description

D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the fn parameter in the tgfile_htm function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Frequently asked questions

What is CVE-2025-45059?: D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the fn parameter in the tgfile_htm function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
How severe is CVE-2025-45059?: CVE-2025-45059 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-45059 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-45059?: CVE-2025-45059 affects Dlink Di-8300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-45059?: 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-2025-45059 have an EU (EUVD) identifier?: Yes. CVE-2025-45059 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209311.
When was CVE-2025-45059 published?: CVE-2025-45059 was published on 2026-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:di-8300_firmware:16.07.26a1:*:*:*:*:*:*:*

More vulnerabilities in Dlink Di-8300 Firmware

CVE-2024-44411 — Critical (CVSS 9.8): D-Link DI-8300 v16.07.26A1 is vulnerable to command injection via the msp_info_htm function.
CVE-2024-44410 — Critical (CVSS 9.8): D-Link DI-8300 v16.07.26A1 is vulnerable to command injection via the upgrade_filter_asp function.
CVE-2025-45058 — High (CVSS 7.5): D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the fx parameter in the jingx_asp function.…
CVE-2025-45057 — High (CVSS 7.5): D-Link DI-8300 v16.07.26A1 was discovered to contain a buffer overflow via the ip parameter in the ip_position_asp…

All CVEs affecting Dlink Di-8300 Firmware →

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