CVE-2026-7719
Critical
Description
A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument http_host results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTotolink Wa300 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 wa300_firmware | 5.2cu.7112_B20190227 | — |
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