TP-Link RE305 tmpServer Service command injection

Summaryinfo

A vulnerability marked as very critical has been reported in TP-Link RE305. This vulnerability affects unknown code of the component tmpServer Service. The manipulation leads to command injection. This vulnerability is traded as CVE-2026-102815. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in TP-Link RE305 (the affected version is unknown). This issue affects an unknown code of the component tmpServer Service. The manipulation 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:

An operating-system command injection vulnerability exists in the tmpServer service of TP-Link RE305 V3. The service runs with root privileges and listens on the local loopback interface. A local attacker with access to a low-privileged process on the device may submit a crafted request to the TDDPv1 service and execute operating-system commands with root privileges. Successful exploitation may allow a local attacker with low privileges to obtain root privileges and execute arbitrary operating-system commands on the affected device.

The advisory is shared at tp-link.com. The identification of this vulnerability is CVE-2026-102815 since 09/29/2026. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/27/2026). 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

• TP-Link

Name

• RE305

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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

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