CVE-2026-1685: D-Link DIR-823X

D-Link DIR-823X Login sub_40AC74 excessive authentication

CVSS 6.3 MediumEPSS 0.012 · 67th percentile

Published by the CVE Program (CNA: VulDB) at 30 Jan 2026, 14:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
D-Link	DIR-823X	affected 250416

Identifiers

CVE-2026-1685

CNA

VulDB

Weakness (CWE)

CWE-307 · CWE-799

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.3	Medium	4.0	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	CNA (VulDB)Used for this record
3.7	Low	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R	CNA (VulDB)
3.7	Low	3.0	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R	CNA (VulDB)
2.6	Low	2.0	AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR	CNA (VulDB)

CISA KEV Not listed.
EPSS 0.012, the 67th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 30 Jan 2026. New records show when each source confirmed them.

Sources

References from the CNA

vuldb.com/?id.343479 vdb-entrytechnical-description
vuldb.com/?ctiid.343479 signaturepermissions-required
vuldb.com/?submit.740886 third-party-advisory
www.dlink.com/ product
github.com/master-abc/cve/issues/17 exploitissue-tracking

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.