CVE-2026-90680
Critical
Description
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.
SeverityCritical
CVSS9.9
Exploit probability—
Product
D-link Dir-823g
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-121CWE-121CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| d-link dir-823g | 1.0.2B05_20181207 | — |
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