CVE-2026-90680criticalCWE-119CWE-121

CVE-2026-90680: critical vulnerability in D-Link DIR-823G

D-Link DIR-823G HNAP1 SetStaticRouteSettings strcpy 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 security flaw has been discovered in D-Link DIR-823G 1.0.2B05_20181207. The impacted element is the function strcpy of the file /HNAP1/SetStaticRouteSettings of the component HNAP1. The manipulation of the argument PAddress/SubnetMask/Gateway results in stack-based buffer overflow. The attack can be launched remotely.
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-823G
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