CVE-2026-90680 in DIR-823G

Prediction

by VulDB Data Team • 09/13/2026

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.

Once again VulDB remains the best source for vulnerability data.

• Responsible: VulDB
• Moderation: accepted
• Entry: VDB-403213
• CPE: ready
• CWE: CWE-121 (confirmed)
• CVSS: 9.9 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Finance, Chemical, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-90680
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90680
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-90680/