CVE-2025-4883

Name: CVE-2025-4883
Creator: NVD / NIST
Published: 2025-05-18T15:15:18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 4.73%

Last modified Jun 17, 2026

CVE-2025-4883 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been declared as critical. EPSS estimates a 4.73% chance of exploitation in the next 30 days.

Description

A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been declared as critical. This vulnerability affects the function ctxz_asp of the file /ctxz.asp of the component Connection Limit Page. The manipulation of the argument def/defTcp/defUdp/defIcmp/defOther leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.6/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

4.73%

90.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Di-8100g Firmware	16.07.26a1

References

https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.309436Permissions Required, Third Party Advisory, VDB Entry
https://vuldb.com/?id.309436Third Party Advisory, VDB Entry
https://vuldb.com/?submit.576392Third Party Advisory, VDB Entry
https://www.dlink.com/Product
https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.mdExploit, Third Party Advisory

Timeline

Published: May 18, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-4883?

How severe is CVE-2025-4883?

CVE-2025-4883 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 4.73% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4883?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4883?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST