CVE-2026-5030

MEDIUM

Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection

Title source: cna

Description

A vulnerability has been found in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument host_time leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

References (5)

[Product] https://www.totolink.net/

[Vdb Entry, Technical Description] https://vuldb.com/vuln/353952

[Signature, Permissions Required] https://vuldb.com/vuln/353952/cti

[Third Party Advisory] https://vuldb.com/submit/778529

[Exploit] https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-NTPSyncWithHost-32153a41781f8032afebc0802b704e9c?source=copy_link

Scores

CVSS v3 6.3

EPSS 0.0192

EPSS Percentile 83.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-74 CWE-77

Status published

Products (2)

Totolink/NR1800X 9.1.0u.6279_B20210910

totolink/nr1800x_firmware 9.1.0u.6279_b20210910

Published Mar 29, 2026

Tracked Since Mar 29, 2026