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CVE-2026-123958 Details

ANALYZED

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

Description

A vulnerability was identified in TOTOLINK CA300-PoE 6.2c.884. The affected element is the function setLanConfig of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument lanDns/lanSecDns/langType leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:3.5 LOWVector:CVSS:3.1/AV:A/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-setLanConfig-3f953a41781f8029941cd21d2cc16db0?source=copy_link	[email protected]
https://vuldb.com/cve/CVE-2026-123958	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/1033673	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/432021	[email protected]	Content Wall
https://vuldb.com/vuln/432021/cti	[email protected]	Content Wall
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