How severe is CVE-2025-3538?

CVE-2025-3538 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-3538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3538?

CVE-2025-3538 affects Dlink Di-8100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3538?

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-2025-3538 have an EU (EUVD) identifier?

Yes. CVE-2025-3538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10852.

When was CVE-2025-3538 published?

CVE-2025-3538 was published on 2025-04-13 and last updated on 2026-06-17.

CVE-2025-3538

CVE-2025-3538 is a high-severity vulnerability in Dlink Di-8100 Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.3
CVSS v4: 8.7
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10852
Weakness: CWE-787
Affected product: Dlink Di-8100 Firmware
Published: 2025-04-13
Last modified: 2026-06-17

Description

A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been rated as critical. This issue affects the function auth_asp of the file /auth.asp of the component jhttpd. The manipulation of the argument callback leads to stack-based buffer overflow. The attack needs to be approached within the local network. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3538?: A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been rated as critical. This issue affects the function auth_asp of the file /auth.asp of the component jhttpd. The manipulation of the argument callback leads to stack-based buffer overflow. The attack needs to be approached within the local network. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3538?: CVE-2025-3538 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-3538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3538?: CVE-2025-3538 affects Dlink Di-8100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3538?: 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-2025-3538 have an EU (EUVD) identifier?: Yes. CVE-2025-3538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10852.
When was CVE-2025-3538 published?: CVE-2025-3538 was published on 2025-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:di-8100_firmware:16.07.26a1:*:*:*:*:*:*:*

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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