High severity · published Mar 23, 2026
CVE-2026-4611
TOTOLINK X6000R shttpd setLanCfg privilege escalation
8.8
CVSS
3.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
X6
X6000R · TOTOLINK
9.4.0cu.1360_B20241207; 9.4.0cu.1498_B20250826 · source: vendor
XF
X6000r Firmware · Totolink
9.4.0cu.1360_b20241207; 9.4.0cu.1498_b20250826 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4611
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4611
Permissions Required
https://vuldb.com/?ctiid.352475
Third Party Advisory
https://vuldb.com/?id.352475
Third Party Advisory
https://vuldb.com/?submit.775642
Product
https://www.totolink.net/
More from X6000R
10.0
CVE-2026-105484
TOTOLINK X6000R UploadFirmwareFile cstecgi.cgi firmware_check os command injection
9.8
CVE-2025-11005
TOTOLINK X6000R Unauthenticated Command Injection Vulnerability
9.8
CVE-2025-52906
TOTOLINK X6000R Command Injection Vulnerability
9.8
CVE-2025-52053
TOTOLINK X6000R V9.4.0cu.1360_B20241207 was found to contain a command injection vulnerability in the sub_417D74 function via the file_name parameter
9.8
CVE-2024-52723
In TOTOLINK X6000R V9.4.0cu.1041_B20240224 in the shttpd file, the Uci_Set Str function is used without strict parameter filtering