CVE-2026-1685CWE-307CWE-799

D-Link DIR-823X Login sub_40AC74 excessive authentication

Medium · published January 30, 2026

CVSS v4.0
6.3
EPSS
1%
Percentile
67.0
In the wild
Unconfirmed
What it is

A vulnerability was identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_40AC74 of the component Login. Such manipulation leads to improper restriction of excessive authentication attempts. The attack may be performed from remote. This attack is characterized by high complexity. It is stated that the exploitability is difficult. The exploit is publicly available and might be used.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.01163 · 67.0th percentile
Weaknesses
CWE-307 · Improper Restriction of Excessive Authentication Attempts; CWE-799 · Improper Control of Interaction Frequency
Published
2026-01-30T14:32Z
EPSS history
Timeline
  • 30 JAN 14:32Z
    D-Link DIR-823X Login sub_40AC74 excessive authentication
    cvelistv5