CVE-2026-90680NVD

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.

Severity Level

CRITICAL (9.9)

Published Date

14/09/2026

Last Modified

16/09/2026

Exploitation Status

????

EPSS Score

0.51% (percentile 42.6%)

CVSS Base Metrics

CVSS v3 (3.1)

CRITICAL 9.9

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R

CVSS v4 (4.0)

CRITICAL 9.4

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

Weaknesses (CWE)

CWE-121 - Stack-based Buffer OverflowCWE-119 - Memory Corruption

Affected & Patched Versions

Product	Affected Versions	Patched Version
D-Link DIR-823G	1.0.2B05_20181207	N/A

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