CVE-2026-3301
Critical
Description
A security flaw has been discovered in Totolink N300RH 6.1c.1353_B20190305. Affected by this vulnerability is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument webWlanIdx results in os command injection. 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
PublishedFeb 27, 2026
First seenFeb 27, 2026
Weakness typeCWE-78OS command injectionCWE-77Command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| totolink n300rh_firmware | 6.1c.1349_b20181018, 6.1c.1353_b20190305 | — |
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