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CVE-2026-90693 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CNA: [email protected]CVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md	CISA-ADP	AdvisoryTechnical Analysis
https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/d-link/dir-878/SetWan3Settings/README.md	[email protected]	AdvisoryTechnical Analysis
https://vuldb.com/cve/CVE-2026-90693	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/915573	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/403226	[email protected]	AdvisoryPermission Required
https://vuldb.com/vuln/403226/cti	[email protected]	Content Wall
https://www.dlink.com/	[email protected]	Vendor

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]
CWE-121	Stack-based Buffer Overflow	[email protected]

Affected Products

Product	Versions
D-Link DIR-878	FW120B05_decode
CPE cpe:2.3:o:dlink:dir-878:::::::: cpe:2.3:o:dlink:dir-878_firmware:::::::: cpe:2.3:h:dlink:dir-878:::::::: cpe:2.3:o:d-link:dir-878:::::::: cpe:2.3:h:d-link:dir-878:::::::: cpe:2.3:h:dlink:dir878:::::::: cpe:2.3:o:dlink:dir878_firmware:::::::: cpe:2.3:o:dlink:dir_878_firmware:::::::: cpe:2.3:h:dlink:dir_878:::::::: Remediation No remediation found in references.

Product

Versions

D-Link DIR-878

FW120B05_decode

CPE

cpe:2.3:o:dlink:dir-878:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-878_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-878:*:*:*:*:*:*:*:*
cpe:2.3:o:d-link:dir-878:*:*:*:*:*:*:*:*
cpe:2.3:h:d-link:dir-878:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir878:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir878_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir_878_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir_878:*:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 15, 2026	CVE Modified	CISA-ADP
Sep 14, 2026	New CVE Received	[email protected]