# CVE-2026-7469: Tenda 4G300 DelFil sub_425A28 command injection

> Remote attackers can execute arbitrary commands on Tenda 4G300 routers via the DelFil interface, requiring immediate attention from network administrators.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Apr 2026
- **Updated:** 30 Apr 2026
- **Also known as:** GHSA-g5fj-9fvp-2rvq

## What is CVE-2026-7469?

CVE-2026-7469 is a medium-severity command injection vulnerability in Tenda 4G300, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was detected in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. This impacts the function sub_425A28 of the file /goform/DelFil. The manipulation of the argument delflag results in command injection. The attack may be launched remotely. The exploit is now public and may be used.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-7469?

It affects 1 product.


Products: Tenda 4g300 Firmware.

## How do I fix CVE-2026-7469?

No fix has been published for CVE-2026-7469 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7469 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7469 exists.

## Other vulnerabilities in Tenda 4G300

- [CVE-2023-38929](https://insights.sbomify.com/CVE-2023-38929/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-37718](https://insights.sbomify.com/CVE-2023-37718/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-37721](https://insights.sbomify.com/CVE-2023-37721/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-37722](https://insights.sbomify.com/CVE-2023-37722/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-37723](https://insights.sbomify.com/CVE-2023-37723/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7469 and fix it if it is affected.

What it is: CVE-2026-7469 is a medium-severity command injection vulnerability in Tenda 4G300, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7469 exists.

Affected product: Tenda 4G300. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-7469/ (Markdown: https://insights.sbomify.com/CVE-2026-7469/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7469
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7469
- OSV: https://osv.dev/vulnerability/CVE-2026-7469

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-7469/
Summaries are generated and may contain mistakes; the official description above is the record.