CVE-2026-5030

MEDIUM 6.3

Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection

CVSS Score

6.3

EPSS Score

2.9%

EPSS Percentile

86th

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.

CWE	CWE-77 CWE-74
Vendor	totolink
Product	nr1800x
Published	Mar 29, 2026
Last Updated	Mar 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / NR1800X

9.1.0u.6279_B20210910

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 wxhwxhwxh_mie (VulDB User)