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/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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.089 (95.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.082 · newest: 0.089 · change: +0.007
Affected products
- D-Link Di-8100 — versions 16.07.26A1
- Dlink Di-8100g
- Dlink Di-8100g Firmware — versions 16.07.26a1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/DI-8100-Vulnerabi… (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2025-4883?
- CVE-2025-4883 is a high-severity vulnerability in D-Link Di-8100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. 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.