---
cve: "CVE-2026-78063"
severity: "MEDIUM"
cvss: 5.3
epss: "2.8%"
vendor: "Tenda"
kev: false
exploited: false
published: "2026-08-23 05:16:53"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-11-09T05:40:04+01:00"
---

# CVE-2026-78063

> 5.3 MEDIUM

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulDB**
- State: PUBLISHED
- Stand: 2026-08-24 15:13:50
- CNA-CVSS: **5.3** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Schwachstellen-Klasse

- **CWE-74** — Improper Neutralization of Special Elements in Output Used by a Downstream Component
  The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
- **CWE-77** — Improper Neutralization of Special Elements used in a Command
  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.

## Angriffsmuster (CAPEC)

- [CAPEC-10 — Buffer Overflow via Environment Variables](https://capec.mitre.org/data/definitions/10.html) _(Severity: High)_
- [CAPEC-13 — Subverting Environment Variable Values](https://capec.mitre.org/data/definitions/13.html) _(Severity: Very High)_
- [CAPEC-14 — Client-side Injection-induced Buffer Overflow](https://capec.mitre.org/data/definitions/14.html) _(Severity: High)_
- [CAPEC-101 — Server Side Include (SSI) Injection](https://capec.mitre.org/data/definitions/101.html) _(Severity: High)_
- [CAPEC-105 — HTTP Request Splitting](https://capec.mitre.org/data/definitions/105.html) _(Severity: High)_
- [CAPEC-108 — Command Line Execution through SQL Injection](https://capec.mitre.org/data/definitions/108.html) _(Severity: Very High)_
- [CAPEC-120 — Double Encoding](https://capec.mitre.org/data/definitions/120.html) _(Severity: Medium)_
- [CAPEC-135 — Format String Injection](https://capec.mitre.org/data/definitions/135.html) _(Severity: High)_

## ATT&CK-Techniken

- [T1562.003 — Impair Defenses:Impair Command History Logging](https://attack.mitre.org/techniques/T1562/003/)
- [T1574.006 — Hijack Execution Flow:Dynamic Linker Hijacking](https://attack.mitre.org/techniques/T1574/006/)
- [T1574.007 — Hijack Execution Flow:Path Interception by PATH Environment ](https://attack.mitre.org/techniques/T1574/007/)

## Referenzen

- <https://vuldb.com/vuln/394303>
- <https://vuldb.com/vuln/394303/cti>
- <https://vuldb.com/cve/CVE-2026-78063>
- <https://vuldb.com/submit/881838>
- <https://candle-throne-f75.notion.site/Tenda-CH22-formeditFileName-396df0aa1185804c9dcff01778515d32>
- <https://www.tenda.com.cn/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-78063/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_