CVE-2026-7546

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.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - cna@vuldb.com

Published

2026-05-01

Last modified

2026-10-26

Weaknesses

CWE-119, CWE-121

Affected products

• Nr1800x Firmware (Totolink)

References

• https://vuldb.com/vuln/360357
• https://vuldb.com/vuln/360357/cti
• https://vuldb.com/submit/804404
• https://github.com/newym/cve/blob/main/totolinknr1800x.md
• https://www.totolink.net/