RCE in Totolink X6000r

CVE-2026-4611

A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched remotely.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.030 (86.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Product, product)

Frequently asked questions

What is CVE-2026-4611?
CVE-2026-4611 is a high-severity vulnerability in Totolink X6000r, classified under Command Injection. CVSS score: 7.2/10. Published 2026-03-23.
How severe is CVE-2026-4611?
High severity. CVSS v3 base score is 7.2 out of 10.