CVE-2026-78063: Tenda CH22 command injection in editFileName

CVE-2026-78063 · Severity: high · CVSS 7.4 · Published 2026-08-23

Tenda CH22 is a network management appliance. A flaw in the file editing function allows an attacker to inject arbitrary system commands by manipulating input parameters, potentially leading to full device compromise or service disruption.

Technologies: Tenda CH22. Vendors: Tenda.

Quick answers

Is CVE-2026-78063 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-78063 being exploited in the wild.
How severe is CVE-2026-78063?
High severity, with a CVSS score of 7.4, published 23 August 2026.
Which products and versions are affected?
Tenda CH22 1.0.0.1.
Is there a fix for CVE-2026-78063?
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-2026-78063 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-78063?
Check whether you run Tenda CH22 at an affected version. 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 vulnerability is a command injection flaw in the formeditFileName function of the /goform/editFileName endpoint in Tenda CH22 version 1.0.0.1. The editNameMit argument is insufficiently sanitized, permitting an attacker to inject shell commands that execute with device privileges. The attack vector is network-based and requires no authentication or user interaction. Successful exploitation allows remote code execution on the device. A public exploit is available.

Affected products

  • Tenda CH22 1.0.0.1

Timeline

  • 2026-08-23: disclosed

References

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