PT-2026-139254
CVE-2026-123958
·
Published
2026-11-07
·
Updated
2026-11-07
Description by
CVSS 3.1
9.9
CriticalMetricsAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
TOTOLINK CA300-PoE version 6.2c.884
Description
A buffer overflow can be triggered remotely via the
/cgi-bin/cstecgi.cgi endpoint. The issue exists within the setLanConfig() function when processing the lanDns, lanSecDns, or langType variables.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
As a temporary workaround, restrict access to the
/cgi-bin/cstecgi.cgi endpoint to minimize the risk of exploitation.Exploitability
Exploit
Impacts
Vendors
Affected products
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