# CVE-2025-48021: Integer overflow in Vnet/IP Interface Package

> Attackers can cause a denial of service by sending malicious packets to the Vnet/IP Interface Package, terminating the software stack process.

- **Severity:** Medium 6.0 (`CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Feb 2026
- **Updated:** 13 Feb 2026
- **Also known as:** GHSA-g49m-vv72-hpjc

## What is CVE-2025-48021?

CVE-2025-48021 is a medium-severity vulnerability in Yokogawa Electric Corporation Vnet/IP Interface Package, published on 13 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been found in Vnet/IP Interface Package provided by Yokogawa Electric Corporation.
If affected product receives maliciously crafted packets, Vnet/IP software stack process may be terminated.
The affected products and versions are as follows: Vnet/IP Interface Package (for CENTUM VP R6 VP6C3300, CENTUM VP R7 VP7C3300) R1.07.00 or earlier

Weakness: CWE-191 (Integer Underflow (Wrap or Wraparound))

## Which versions are affected by CVE-2025-48021?

It affects 1 product.


Products: Yokogawa Vnet\/Ip Interface Package.

## How do I fix CVE-2025-48021?

No fix has been published for CVE-2025-48021 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-48021 being exploited?

There is no known exploitation of CVE-2025-48021 in the wild and no public exploit code.

## Other vulnerabilities in Yokogawa Electric Corporation Vnet/IP Interface Package

- [CVE-2025-1924](https://insights.sbomify.com/CVE-2025-1924/): Memory corruption in Vnet/IP Interface Package (medium 6.0)
- [CVE-2025-48019](https://insights.sbomify.com/CVE-2025-48019/): Denial of service in Vnet/IP Interface Package (medium 6.0)
- [CVE-2025-48020](https://insights.sbomify.com/CVE-2025-48020/): Denial of service in Vnet/IP Interface Package (medium 6.0)
- [CVE-2025-48022](https://insights.sbomify.com/CVE-2025-48022/): Denial of service in Vnet/IP Interface Package (medium 6.0)
- [CVE-2025-48023](https://insights.sbomify.com/CVE-2025-48023/): Denial of service in Vnet/IP Interface Package (medium 6.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-48021 and fix it if it is affected.

What it is: CVE-2025-48021 is a medium-severity vulnerability in Yokogawa Electric Corporation Vnet/IP Interface Package, published on 13 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-48021 in the wild and no public exploit code.

Affected product: Yokogawa Electric Corporation Vnet/IP Interface Package. 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-2025-48021/ (Markdown: https://insights.sbomify.com/CVE-2025-48021/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-48021
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-48021
- OSV: https://osv.dev/vulnerability/CVE-2025-48021

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-48021/
Summaries are generated and may contain mistakes; the official description above is the record.