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CRITICAL

CVE-2026-90680

CVSS v3

9.9

CRITICAL

EPSS Score

0.9 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-14
Last Modified
2026-09-14

Frequently asked questions

What is CVE-2026-90680?

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.

Is CVE-2026-90680 actively exploited?

Active exploitation of CVE-2026-90680 has not been confirmed. Its EPSS score was 0.9% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-90680?

CVE-2026-90680 has a CVSS v3 base score of 9.9 (CRITICAL severity).

Is CVE-2026-90680 affecting your environment?

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