# CVE-2023-7311: BYTEVALUE Intelligent Flow Control Router Command Injection

> Attackers can execute arbitrary shell commands on BYTEVALUE routers via the webRead endpoint, leading to full device compromise and privilege escalation.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Oct 2025
- **Updated:** 15 Oct 2025
- **Also known as:** GHSA-wcr9-x4hr-9wqv

## What is CVE-2023-7311?

CVE-2023-7311 is a critical command injection vulnerability in BYTEVALUE (Luoyang Baiwei Intelligent Technology Co., Ltd.) Flow Control Router, published on 15 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

BYTEVALUE Intelligent Flow Control Router contains a command injection vulnerability via the /goform/webRead/open endpoint. The `path` parameter is not properly validated and is echoed into a shell context, allowing an attacker to inject and execute arbitrary shell commands on the device. Successful exploitation can lead to writing backdoors, privilege escalation on the host, and full compromise of the router and its management functions. VulnCheck has observed this vulnerability being targeted by the RondoDox botnet campaign.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2023-7311?


## How do I fix CVE-2023-7311?

No fix has been published for CVE-2023-7311 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-7311 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-7311 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-7311 and fix it if it is affected.

What it is: CVE-2023-7311 is a critical command injection vulnerability in BYTEVALUE (Luoyang Baiwei Intelligent Technology Co., Ltd.) Flow Control Router, published on 15 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-7311 exists.

Affected product: BYTEVALUE (Luoyang Baiwei Intelligent Technology Co., Ltd.) Flow Control Router. 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-2023-7311/ (Markdown: https://insights.sbomify.com/CVE-2023-7311/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-7311
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-7311
- OSV: https://osv.dev/vulnerability/CVE-2023-7311

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-7311/
Summaries are generated and may contain mistakes; the official description above is the record.