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CVE-2026-123957 Details

ANALYZED

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

Description

A vulnerability was determined in TOTOLINK CA300-PoE 6.2c.884. Impacted is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ipStart causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setIpQosRules-3f953a41781f801195e5e07dfe7488b9?source=copy_link	[email protected]
https://vuldb.com/cve/CVE-2026-123957	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/1033672	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/432020	[email protected]	AdvisoryPermission Required
https://vuldb.com/vuln/432020/cti	[email protected]	AdvisoryPermission Required
https://www.totolink.net/	[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-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
TOTOLINK CA300-PoE	6.2c.884
CPE cpe:2.3:h:totolink:ca300-poe:::::::: cpe:2.3:o:totolink:ca300-poe_firmware:::::::: Remediation No remediation found in references.

Change History

1 change record found show changes