CVE-2026-7854 CRITICAL

CVE-2026-7854: D-Link DI-8100 POST Parameter url_rule.asp url_rule_asp buffer overflow

Vendor D-Link
Product DI-8100
Weakness CWE-120
Published May 5, 2026
Last update May 6, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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 overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

Key dates

02Disclosure timeline

May 5, 2026 CVE published
May 6, 2026 Record updated