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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-5030

A vulnerability has been found in Totolink NR1800X 9.1.0u.6279_B20210910.

LOW 2.1EPSS 2.51%

Does this matter?

Lower severity and a low EPSS score (2.51%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0
2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
2.51% probability · 84th percentile
CISA KEV
Not listed
Weakness
CWE-74, CWE-77
Affected
totolink/nr1800x firmware
Source
cna@vuldb.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.