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Description

A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Such manipulation of the argument command leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

PUBLISHED Reserved 2026-01-22 | Published 2026-01-22 | Updated 2026-02-23 | 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

2026-01-22:Advisory disclosed
2026-01-22:VulDB entry created
2026-01-30:VulDB entry last update

Credits

wxhwxhwxh_ (VulDB User) reporter

References

vuldb.com/?id.342303 (VDB-342303 | Totolink NR1800X POST Request cstecgi.cgi setTracerouteCfg command injection) vdb-entry technical-description

vuldb.com/?ctiid.342303 (VDB-342303 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.735790 (Submit #735790 | TOTOLINK NR1800X NR1800X_Firmware V9.1.0u.6279_B20210910 Command Injection) third-party-advisory

lavender-bicycle-a5a.notion.site/...3758502?source=copy_link exploit

www.totolink.net/ product

cve.org (CVE-2026-1327)

nvd.nist.gov (CVE-2026-1327)

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