CVE-2026-114383
Critical
Description
A weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi of the component wireless.so. This manipulation of the argument macAddress causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
SeverityCritical
CVSS10.0
Exploit probability—
ProductTotolink Ex200 Firmware
PublishedOct 21, 2026
First seenOct 21, 2026
Weakness typeCWE-121CWE-121CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| totolink ex200_firmware | 5.2.3c.7200 | — |
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