D-Link DWR-M961 up to 1.1.5_C1_202607071107 LtefotaUpgradeFibocom formLtefotaUpgradeFibocom fota_url command injection

Summaryinfo

A vulnerability identified as very critical has been detected in D-Link DWR-M961 up to 1.1.5_C1_202607071107. This issue affects some unknown processing of the file /boafrm/formLtefotaUpgradeFibocom of the component LtefotaUpgradeFibocom. This manipulation of the argument fota_url causes command injection. This vulnerability appears as CVE-2026-71945. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in D-Link DWR-M961 up to 1.1.5_C1_202607071107 and classified as very critical. Affected by this vulnerability is some unknown functionality of the file /boafrm/formLtefotaUpgradeFibocom of the component LtefotaUpgradeFibocom. The manipulation of the argument fota_url with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

D-Link DWR-M961 devices with hardware version C1 and firmware version before 1.1.5_C1_202607071108 contain a command injection vulnerability in the /boafrm/formLtefotaUpgradeFibocom interface. A remote attacker can inject arbitrary malicious commands into the fota_url field, resulting in command execution with root privileges.

The advisory is shared at supportannouncement.us.dlink.com. This vulnerability is known as CVE-2026-71945 since 08/08/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/08/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 1.1.5_C1_202607071108 eliminates this vulnerability.

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

Productinfo

Vendor

• D-Link

Name

• DWR-M961

Version

• 1.1.5_C1_202607071107

License

• commercial

Website

• Vendor: https://www.dlink.com/

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

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