RCE in Tenda Ch22
CVE-2026-78063
A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formeditFileName of the file /goform/editFileName. The manipulation of the argument editNameMit results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.027 (85.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.027 · change: +0.017
Affected products
- Tenda Ch22 — versions 1.0.0.1
Weakness classification (CWE)
References
- vuldb.com/vuln/394303 (technical-description, vdb-entry)
- vuldb.com/vuln/394303/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-78063 (third-party-advisory)
- vuldb.com/submit/881838 (third-party-advisory)
- candle-throne-f75.notion.site/Tenda-CH22-formeditFileName-396df0aa1185804c9dcff… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-78063?
- CVE-2026-78063 is a high-severity vulnerability in Tenda Ch22, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.4/10. Published 2026-08-23.
- How severe is CVE-2026-78063?
- High severity. CVSS v3 base score is 7.4 out of 10.