TOTOLINK EX200 lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow
A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. The manipulation of the argument Comment results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
CVE-2026-114382
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-114382
EX200
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:o:totolink:ex200_firmware:*:*:*:*:*:*:*:*"
],
"vendor": "TOTOLINK",
"modules": [
"lan.so"
],
"product": "EX200",
"versions": [
{
"status": "affected",
"version": "5.2.3c.7200"
}
]
}
]- Related CVEs
- CVE-2026-114382
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #49988 · Revision 1
- Added to Heist Feed
- Publisher date