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CVE-2026-123959 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 TOTOLINK CA300-PoE 6.2c.884. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument langType results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

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:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:H/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-setLanguageCfg-3f953a41781f80199f44f227136a1441?source=copy_link	[email protected]
https://vuldb.com/cve/CVE-2026-123959	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/1033721	[email protected]	Permission Required
https://vuldb.com/vuln/432022	[email protected]	Content Wall
https://vuldb.com/vuln/432022/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