CVE-2026-90680

CVSS 9.9 (critical) · published 2026-09-14

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.

Weakness: CWE-119, CWE-121

Source: NVD CVE-2026-90680

References

• https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-823g/SetStaticRouteSettings/README.md
• https://vuldb.com/cve/CVE-2026-90680
• https://vuldb.com/submit/914902
• https://vuldb.com/vuln/403213
• https://vuldb.com/vuln/403213/cti
• https://www.dlink.com/

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