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.
Published: 2026-05-01
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 01 May 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 01 May 2026 04:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink nr1800x
Vendors & Products Totolink nr1800x

Fri, 01 May 2026 03:15:00 +0000

Type Values Removed Values Added
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.
Title Totolink NR1800X lighttpd find_host_ip stack-based overflow
First Time appeared Totolink
Totolink nr1800x Firmware
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:o:totolink:nr1800x_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink nr1800x Firmware
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:W/RC:UR'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R'}

cvssV3_1

{'score': 9.8, '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'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


Subscriptions

Totolink Nr1800x Nr1800x Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-01T21:28:56.710Z

Reserved: 2026-04-30T18:56:41.852Z

Link: CVE-2026-7546

cve-icon Vulnrichment

Updated: 2026-05-01T21:28:52.794Z

cve-icon NVD

Status : Deferred

Published: 2026-05-01T03:16:01.270

Modified: 2026-05-01T15:26:24.553

Link: CVE-2026-7546

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-01T04:45:08Z

Weaknesses