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D-Link CVE-2026-1685

LOW
Improper Restriction of Excessive Authentication Attempts (CWE-307)
2026-01-30 cna@vuldb.com
D-Link Information Disclosure
2.9
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.9 LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
CVSS changed
Apr 29, 2026 - 01:11 NVD
3.7 (LOW) 2.9 (LOW)
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
CVE Published
Jan 30, 2026 - 15:16 nvd
LOW 3.7

DescriptionCVE.org

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.

AnalysisAI

Dir-823X Firmware versions up to 250416 is affected by improper restriction of excessive authentication attempts (CVSS 3.7).

Technical ContextAI

This vulnerability (CWE-307: Improper Restriction of Excessive Authentication Attempts) affects Dir-823X Firmware. 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.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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CVE-2026-1685 vulnerability details – vuln.today
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