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CVE-2026-5030

MEDIUM CVSS 4.0: 5.3 EPSS 1.55%
Updated Mar 30, 2026
Totolink
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-77 (Command Injection), CWE-74 (Injection)
Vendor Totolink
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Totolink Nr1800x_Firmware
cpe:2.3:o:totolink:nr1800x_firmware:9.1.0u.6279_b20210910:*:*:*:*:*:*:*
Totolink Nr1800x
cpe:2.3:h:totolink:nr1800x:-:*:*:*:*:*:*:*