CVE-2026-7747
Critical
Description
A security flaw has been discovered in Totolink N300RH 3.2.4-B20220812. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument Password results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTotolink N300rh Firmware
PublishedMay 4, 2026
First seenMay 4, 2026
Weakness typeCWE-120CWE-120CWE-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 n300rh_firmware | 3.2.4-B20220812 | — |
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