What is CVE-2026-4611?

CVE-2026-4611 is a high-severity vulnerability in Totolink X6000r, classified under OS 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.

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…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.014 (80.6th 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/E:X/RL:X/RC:R.

Affected products

Totolink X6000r — versions 9.4.0cu.1360_B20241207, 9.4.0cu.1498_B20250826

Weakness classification (CWE)

References

VDB-352475 | TOTOLINK X6000R shttpd setLanCfg privilege escalation (vdb-entry, technical-description)
VDB-352475 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #775642 | Totolink X6000R V9.4.0cu.1360_B20241207/V9.4.0cu.1498_B20250826 OS Command Injection (third-party-advisory)
www.totolink.net/ (product)

Frequently asked questions

What is CVE-2026-4611?: CVE-2026-4611 is a high-severity vulnerability in Totolink X6000r, classified under OS 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.