Totolink A720R 4.1.5cu.614_B20230630 cloudupdate_check sub_402414 magicid/url command injection

Summaryinfo

A vulnerability identified as critical has been detected in Totolink A720R 4.1.5cu.614_B20230630. This issue affects the function sub_402414 of the file cloudupdate_check. The manipulation of the argument magicid/url leads to command injection. This vulnerability is traded as CVE-2025-60682. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Totolink A720R 4.1.5cu.614_B20230630. It has been rated as critical. This issue affects the function sub_402414 of the file cloudupdate_check. The manipulation of the argument magicid/url with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within the cloudupdate_check binary, specifically in the sub_402414 function that handles cloud update parameters. User-supplied 'magicid' and 'url' values are directly concatenated into shell commands and executed via system() without any sanitization or escaping. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary commands on the device.

The identification of this vulnerability is CVE-2025-60682 since 09/26/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 11/13/2025). 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.

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

Productinfo

Vendor

• Totolink

Name

• A720R

Version

• 4.1.5cu.614_B20230630

License

• commercial

Website

• Vendor: https://www.totolink.net/

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion