Buffer overflow in D-link Di-8100
CVE-2026-7854
A security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function url_rule_asp of the file /url_rule.asp of the component POST Parameter Handler. Such manipulation leads to buffer overf…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (32.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- D-link Di-8100 — versions 16.07.26A1
- Dlink Di-8100
- Dlink Di-8100_firmware — versions 16.07.26a1
Weakness classification (CWE)
References
- VDB-361131 | D-Link DI-8100 POST Parameter url_rule.asp url_rule_asp buffer overflow (technical-description, Third Party Advisory, vdb-entry)
- VDB-361131 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #807838 | D-Link DI-8100 16.07.26A1 Denial of Service (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-7854?
- CVE-2026-7854 is a critical-severity vulnerability in D-link Di-8100, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2026-05-05.
- How severe is CVE-2026-7854?
- Critical severity. CVSS v3 base score is 9.8 out of 10.