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CWE

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CVE-2026-7546

Published: May 1, 2026

Modified: May 1, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

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.

Vendor	Product	Versions
Totolink	NR1800X	affected `9.1.0u.6279_B20210910`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-360357 | Totolink NR1800X lighttpd find_host_ip stack-based overflow

vdb-entry

technical-description

VDB-360357 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #804404 | Totolink C834FR-1C NR1800X 内存损坏

third-party-advisory

https://github.com/newym/cve/blob/main/totolinknr1800x.md

exploit

https://www.totolink.net/

product

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