Buffer overflow in D-link Di-8100
CVE-2025-4883
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/d…
Vulnerability class: Buffer Overflow
EPSS: 0.012 (79.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- D-link Di-8100 — versions 16.07.26A1
Weakness classification (CWE)
References
- VDB-309436 | D-Link DI-8100 Connection Limit Page ctxz.asp ctxz_asp stack-based overflow (vdb-entry, technical-description)
- VDB-309436 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #576392 | D-Link DI-8100 DI-8100-16.07.26A1 Stack-based Buffer Overflow (third-party-advisory)
- github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerabi… (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2025-4883?
- CVE-2025-4883 is a high-severity vulnerability in D-link Di-8100, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2025-05-18.
- How severe is CVE-2025-4883?
- High severity. CVSS v3 base score is 7.2 out of 10.