Vulnerability in D-Link Dir-823x
CVE-2026-1685
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.
EPSS: 0.010 (58.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- D-link Dir-823x — versions 250416
- Dlink Dir-823x
- Dlink Dir-823x_firmware — versions 250416
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit, Issue Tracking)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-1685?
- CVE-2026-1685 is a low-severity vulnerability in D-Link Dir-823x, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 3.7/10. Published 2026-01-30.
- How severe is CVE-2026-1685?
- Low severity. CVSS v3 base score is 3.7 out of 10.