CVE-2026-1327

Name: CVE-2026-1327
Creator: NVD / NIST
Published: 2026-01-22T15:16:50.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 2.65%

Last modified Jun 17, 2026

CVE-2026-1327 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 2.65% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

2.1/10

CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

2.65%

83.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	Nr1800x Firmware	9.1.0u.6279_b20210910

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setTracerouteCfg-2e453a41781f80df8ef9d32983758502?source=copy_linkExploit, Third Party Advisory
https://vuldb.com/?ctiid.342303Permissions Required, VDB Entry
https://vuldb.com/?id.342303Third Party Advisory, VDB Entry
https://vuldb.com/?submit.735790Third Party Advisory, VDB Entry
https://www.totolink.net/Product

Timeline

Published: Jan 22, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1327?

How severe is CVE-2026-1327?

CVE-2026-1327 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 2.65% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1327?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST