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)

Core 5

Core References

Product product

https://www.totolink.net/

Vdb Entry, Technical Description vdb-entry technical-description

VDB-353952 | Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection

https://vuldb.com/vuln/353952

Signature, Permissions Required signature permissions-required

VDB-353952 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/353952/cti

Third Party Advisory third-party-advisory

Submit #778529 | TOTOLINK NR1800X NR1800X_Firmware V9.1.0u.6279_B20210910 Command Injection

https://vuldb.com/submit/778529

Exploit exploit

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

Scores

CVSS v3 6.3

EPSS 0.0228

EPSS Percentile 80.8%

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