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CVE-2025-51281

D-Link Di-8100 Firmware buffer overflow

7.0 HIGHPublic exploitEPSS 0.45%
  1. Published25 Aug 2025

Description

D-Link DI-8100 16.07.26A1 is vulnerable to Buffer Overflow via the en`, `val and id parameters in the qj_asp function. This vulnerability allows authenticated attackers to cause a Denial of Service (DoS) by sending crafted GET requests with overly long values for these parameters.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

Affected products

D-Link Di-8100 Firmware16.07.26a1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-51281 being actively exploited?

CVE-2025-51281 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.45%.

How severe is CVE-2025-51281?

CVE-2025-51281 has a CVSS 3.1 base score of 7.0, rated high. EPSS estimates a 0.45% probability of exploitation.

Which products are affected by CVE-2025-51281?

Affected products include D-Link Di-8100 Firmware.

How do I fix CVE-2025-51281?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-51281 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.