CVE-2026-102815: TP-Link RE305 V3 command injection in tmpServer

CVE-2026-102815 · Severity: info · Published 2026-10-27

TP-Link RE305 V3 is a Wi-Fi range extender used to expand wireless network coverage. A command injection vulnerability in the tmpServer service allows a local attacker with low privileges to execute arbitrary commands with root access on the device, potentially compromising all traffic passing through the extender and gaining full control of the network infrastructure.

Vendors: TP-Link.

Quick answers

Is CVE-2026-102815 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-102815 being exploited in the wild.
How severe is CVE-2026-102815?
Informational severity, published 27 October 2026.
Which products and versions are affected?
TP-Link RE305 V3.
Is there a fix for CVE-2026-102815?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-102815 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-102815?
Check whether you run TP-Link RE305 V3. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The tmpServer service in TP-Link RE305 V3 is vulnerable to OS command injection via crafted TDDPv1 protocol requests. The service runs with root privileges and listens on the loopback interface. A local attacker with access to a low-privileged process on the device can submit a malicious request to execute arbitrary OS commands with full root privileges.

Affected products

  • TP-Link RE305 V3

Timeline

  • 2026-10-27: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.