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CVE-2026-90693
D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow
Overview
Description

A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.

Details
INFO

Published Date :

Sept. 14, 2026, 7:15 a.m.

Last Modified :

Sept. 14, 2026, 7:15 a.m.

Remotely Exploit :

No

Source :

VulDB
Impact
Affected Products

The following products are affected by CVE-2026-90693 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 D-link dir-878
: Total Affected Vendor : 1 | Products : 1
Solution
Update D-Link firmware to a version that addresses the stack-based buffer overflow vulnerability.
  • Update the device firmware to the latest available version.
  • Apply vendor-provided security patches immediately.
  • Verify successful firmware update completion.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-90693 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.