A vulnerability labeled as critical 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 identification of this vulnerability is CVE-2026-4611 . The attack may be launched remotely. There is no exploit available.
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✦ AI Summary· Claude Sonnet
VDB-352475 · CVE-2026-4611 · GCVE-100-352475
TOTOLINK X6000R 9.4.0CU.1360_B20241207/9.4.0CU.1498_B20250826 /USR/SBIN/SHTTPD SETLANCFG HOSTNAME OS COMMAND INJECTION
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
7.0 $0-$5k 1.47+
Summaryinfo
A vulnerability marked as critical has been reported in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. This affects the function setLanCfg of the file /usr/sbin/shttpd. The manipulation of the argument Hostname leads to os command injection. This vulnerability is referenced as CVE-2026-4611. Remote exploitation of the attack is possible. No exploit is available.
Detailsinfo
A vulnerability was found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. It has been rated as critical. This issue affects the function setLanCfg of the file /usr/sbin/shttpd. The manipulation of the argument hostname with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.
The identification of this vulnerability is CVE-2026-4611. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/23/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Productinfo
Vendor
TOTOLINK
Name
X6000R
Version
9.4.0cu.1360_B20241207
9.4.0cu.1498_B20250826
License
commercial
Website
Vendor: https://www.totolink.net/
CPE 2.3info
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CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3info
VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.2
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: no mitigation known
Status: 🔍
0-Day Time: 🔒
Timelineinfo
03/23/2026 Advisory disclosed
03/23/2026 +0 days VulDB entry created
03/23/2026 +0 days VulDB entry last update
Sourcesinfo
Vendor: totolink.net
Status: Not defined
CVE: CVE-2026-4611 (🔒)
GCVE (CVE): GCVE-0-2026-4611
GCVE (VulDB): GCVE-100-352475
Entryinfo
Created: 03/23/2026 06:49
Changes: 03/23/2026 06:49 (52)
Complete: 🔍
Submitter: 1935648903
Cache ID: 99:F2D:101
Submitinfo
Accepted
Submit #775642: Totolink X6000R V9.4.0cu.1360_B20241207/V9.4.0cu.1498_B20250826 OS Command Injection (by 1935648903)
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