title: Totolink N200RE cstecgi.cgi setOpModeCfg stack-based overflow
description: A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-252266 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
problem types: CWE-121 Stack-based Buffer Overflow
affected:
{
vendor: Totolink
product: N200RE
versions:
version: 9.3.5u.6139_B20201216, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
baseScore: 7.2
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
baseSeverity: HIGH
]