PT-2026-90805 · D Link · Dir-878

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CVE-2026-90693

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Published

2026-08-05

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Updated

2026-09-15

CVSS v3.1

9.9

Critical

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions D-Link DIR-878 version 120B05
Description A stack-based buffer overflow exists within the WAN Settings component. The issue occurs when the SetWan3Settings() function processes the Primary/Secondary argument, which can be manipulated by a remote attacker to impact the confidentiality, integrity, and availability of the protected information.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

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Weakness Enumeration

Related Identifiers

BDU:2026-14619
CVE-2026-90693

Affected Products

Dir-878