CVE-2026-15701
Critical
Description
A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the function Form_Logout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTotolink Nr1800x Firmware
PublishedJul 14, 2026
First seenJul 14, 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 nr1800x_firmware | 9.1.0u.6279_B20210910 | — |
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