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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.

PUBLISHED Reserved 2026-03-27 | Published 2026-03-29 | Updated 2026-03-30 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

9.1.0u.6279_B20210910
affected

Timeline

2026-03-27:Advisory disclosed
2026-03-27:VulDB entry created
2026-03-27:VulDB entry last update

Credits

wxhwxhwxh_mie (VulDB User) reporter

References

vuldb.com/vuln/353952 (VDB-353952 | Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection) vdb-entry technical-description

vuldb.com/vuln/353952/cti (VDB-353952 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/778529 (Submit #778529 | TOTOLINK NR1800X NR1800X_Firmware V9.1.0u.6279_B20210910 Command Injection) third-party-advisory

lavender-bicycle-a5a.notion.site/...b704e9c?source=copy_link exploit

www.totolink.net/ product

cve.org (CVE-2026-5030)

nvd.nist.gov (CVE-2026-5030)

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