CVE-2026-5030 MEDIUM

CVE-2026-5030: Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection

Vendor Totolink
Product NR1800X
Weakness CWE-77
Published March 29, 2026
Last update March 30, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 29, 2026 CVE published
March 30, 2026 Record updated