Home

Description

A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. This vulnerability affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument Hostname causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

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

yhryhryhr_tu (VulDB User) reporter

References

vuldb.com/?id.342302 (VDB-342302 | Totolink NR1800X POST Request cstecgi.cgi setWanCfg command injection) vdb-entry technical-description

vuldb.com/?ctiid.342302 (VDB-342302 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.735787 (Submit #735787 | TOTOLINK NR1800X NR1800X_Firmware V9.1.0u.6279_B20210910 Command Injection) third-party-advisory

lavender-bicycle-a5a.notion.site/...d9dd5b9?source=copy_link exploit

www.totolink.net/ product

cve.org (CVE-2026-1326)

nvd.nist.gov (CVE-2026-1326)

Download JSON