How severe is CVE-2025-4544?

CVE-2025-4544 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4544?

CVE-2025-4544 affects Dlink Di-8100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4544?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-4544 have an EU (EUVD) identifier?

Yes. CVE-2025-4544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14978.

When was CVE-2025-4544 published?

CVE-2025-4544 was published on 2025-05-11 and last updated on 2026-06-17.

CVE-2025-4544

CVE-2025-4544 is a medium-severity vulnerability in Dlink Di-8100 Firmware with a CVSS 3.x base score of 6.6. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 6.8
CVSS v4: 7.5
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14978
Weakness: CWE-787
Affected product: Dlink Di-8100 Firmware
Published: 2025-05-11
Last modified: 2026-06-17

Description

A vulnerability was found in D-Link DI-8100 up to 16.07.26A1 and classified as critical. This issue affects some unknown processing of the file /ddos.asp of the component jhttpd. The manipulation of the argument def_max/def_time/def_tcp_max/def_tcp_time/def_udp_max/def_udp_time/def_icmp_max leads to stack-based buffer overflow. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult.

Frequently asked questions

What is CVE-2025-4544?: A vulnerability was found in D-Link DI-8100 up to 16.07.26A1 and classified as critical. This issue affects some unknown processing of the file /ddos.asp of the component jhttpd. The manipulation of the argument def_max/def_time/def_tcp_max/def_tcp_time/def_udp_max/def_udp_time/def_icmp_max leads to stack-based buffer overflow. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult.
How severe is CVE-2025-4544?: CVE-2025-4544 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4544?: CVE-2025-4544 affects Dlink Di-8100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4544 have an EU (EUVD) identifier?: Yes. CVE-2025-4544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14978.
When was CVE-2025-4544 published?: CVE-2025-4544 was published on 2025-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:di-8100_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dlink Di-8100 Firmware

CVE-2026-7854 — Critical (CVSS 9.8): A security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function…
CVE-2026-7853 — Critical (CVSS 9.8): A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file…
CVE-2026-7248 — Critical (CVSS 9.8): A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of…
CVE-2025-44083 — Critical (CVSS 9.8): An issue in D-Link DI-8100 16.07.26A1 allows a remote attacker to bypass administrator login authentication
CVE-2026-7855 — High (CVSS 8.8): A vulnerability was detected in D-Link DI-8100 16.07.26A1. Affected by this issue is the function tggl_asp of the file…
CVE-2025-7911 — High (CVSS 8.8): A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf…

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