CVE-2026-1327 — MEDIUM (6.3)

Vulnerability 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.

CVSS Score

6.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Totolink	Nr1800X Firmware	9.1.0u.6279_b20210910
Totolink	Nr1800X	-

Related Weaknesses (CWE)

CWE-74 CWE-77

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setTracerouteCfg-2e453ExploitThird Party Advisory
https://vuldb.com/?ctiid.342303Permissions RequiredVDB Entry
https://vuldb.com/?id.342303Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.735790Third Party AdvisoryVDB Entry
https://www.totolink.net/Product

FAQ

What is CVE-2026-1327?

CVE-2026-1327 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 Ha...

How severe is CVE-2026-1327?

CVE-2026-1327 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-1327?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink Nr1800X Firmware, Totolink Nr1800X.