CVE-2026-7546

CriticalCVSS 9.8/10Last modified Oct 26, 2026

Description

A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. The impacted element is the function find_host_ip of the component lighttpd. Such manipulation of the argument Host leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-121

Affected software

Vendor	Product	Versions
Totolink	NR1800X	9.1.0u.6279_B20210910

References

Timeline

Published: May 1, 2026
Last modified: Oct 26, 2026
NVD status: Deferred

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