CVE-2026-90693criticalCWE-119CWE-121

CVE-2026-90693: critical vulnerability in D-Link DIR-878

D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.4epss 0.9%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X
Affected products
D-Link · DIR-878
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