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8.9
CVE-2026-7854: D-Link DI-8100 Buffer Overflow Risk via POST Request
CVE-2026-7854
Summary
A D-Link DI-8100 router's ability to handle POST requests can be exploited, allowing an attacker to potentially cause the router to crash or become unstable. This can happen if a malicious request is sent to the router. To protect your network, consider updating your router's firmware to the latest version.
Original title
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 Handle...
Original description
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.
nvd CVSS2.0
10.0
nvd CVSS3.1
9.8
nvd CVSS4.0
8.9
Vulnerability type
CWE-119
Buffer Overflow
CWE-120
Classic Buffer Overflow
Published: 5 May 2026 · Updated: 30 May 2026 · First seen: 5 May 2026