CVE-2026-7854 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Di-8100 Firmware	16.07.26a1
Dlink	Di-8100	-

Related Weaknesses (CWE)

CWE-120 CWE-119

References

https://github.com/draw-ctf/report/blob/main/DI-8100/url_rule_asp_overflow.mdExploitThird Party Advisory
https://vuldb.com/submit/807838Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/361131Third Party Advisory
https://vuldb.com/vuln/361131/ctiPermissions RequiredVDB Entry
https://www.dlink.com/Product

FAQ

What is CVE-2026-7854?

CVE-2026-7854 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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. ...

How severe is CVE-2026-7854?

CVE-2026-7854 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-7854?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Di-8100 Firmware, Dlink Di-8100.