Tuoshi Dionlink LT15D 4G Wi-Fi/LT21B up to 1.0.1481.15.02/1.0.1802.10.08 /goform/formJSONAjaxReq os command injection

Summaryinfo

A vulnerability marked as critical has been reported in Tuoshi Dionlink LT15D 4G Wi-Fi and LT21B up to 1.0.1481.15.02/1.0.1802.10.08. This impacts an unknown function of the file /goform/formJSONAjaxReq. This manipulation causes os command injection. The identification of this vulnerability is CVE-2024-53944. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Tuoshi Dionlink LT15D 4G Wi-Fi and LT21B up to 1.0.1481.15.02/1.0.1802.10.08. It has been declared as critical. Affected by this vulnerability is an unknown code of the file /goform/formJSONAjaxReq. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on Tuoshi/Dionlink LT15D 4G Wi-Fi devices through M7628NNxlSPv2xUI_v1.0.1802.10.08_P4 and LT21B devices through M7628xUSAxUIv2_v1.0.1481.15.02_P0. A unauthenticated remote attacker with network access can exploit a command injection vulnerability. The /goform/formJsonAjaxReq endpoint fails to sanitize shell metacharacters sent via JSON parameters, thus allowing attackers to execute arbitrary OS commands with root privileges.

This vulnerability is known as CVE-2024-53944 since 11/25/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/02/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-6002). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Tuoshi Dionlink

Name

• LT15D 4G Wi-Fi
• LT21B

Version

• 1.0.1481.15.02
• 1.0.1802.10.08

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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