CVE-2025-4883

8.6 highEPSS 8.9%

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.

Severity

CVSS 4.0

8.6 high

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

CVSS 3.1

7.2 high

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

EPSS: 8.9% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-119, CWE-121
Published: 2025-05-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:di-8100g_firmware

References

https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerability_Report_ctxz.md
https://vuldb.com/?ctiid.309436
https://vuldb.com/?id.309436
https://vuldb.com/?submit.576392
https://www.dlink.com/

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