CVE-2026-5030

2.1 lowEPSS 2.6%

Low (2.1) in totolink nr1800x firmware. EPSS 2.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.1 low

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

CVSS 3.1

9.8 critical

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

EPSS: 2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-74
Published: 2026-03-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:nr1800x_firmware

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-NTPSyncWithHost-32153a41781f8032afebc0802b704e9c?source=copy_link
https://vuldb.com/submit/778529
https://vuldb.com/vuln/353952
https://vuldb.com/vuln/353952/cti
https://www.totolink.net/

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