Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-121617 Details

ANALYZED

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

Description

A security flaw has been discovered in Linksys E5600 1.1.0.26. Affected by this issue is the function init_multipart of the file /cgi-bin/upload_fw.cgi of the component Header Parser. The manipulation results in out-of-bounds write. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.6 MEDIUMVector:CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://github.com/Zimo-666/E5600-cves/tree/main/04-upload-fw-multipart-overflow	[email protected]	ExploitTechnical Analysis
https://vuldb.com/cve/CVE-2026-121617	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/1023313	[email protected]	Permission Required
https://vuldb.com/vuln/430465	[email protected]	Permission Required
https://vuldb.com/vuln/430465/cti	[email protected]	Content Wall
https://www.linksys.com/	[email protected]	Vendor

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
Linksys E5600	1.1.0.26
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

1 change record found show changes