# CVE-2025-9384: appneta tcpreplay parse_args.c tcpedit_post_args null pointer dereference

> A local attacker can cause a denial of service in tcpreplay via a null pointer dereference in the tcpedit_post_args function.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 24 Aug 2025
- **Updated:** 25 Aug 2025
- **Also known as:** DEBIAN-CVE-2025-9384, GHSA-gc8m-9gpv-3rpr, UBUNTU-CVE-2025-9384

## What is CVE-2025-9384?

CVE-2025-9384 is a medium-severity vulnerability in Broadcom Tcpreplay, published on 24 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was detected in appneta tcpreplay up to 4.5.1. Impacted is the function tcpedit_post_args of the file /src/tcpedit/parse_args.c. The manipulation results in null pointer dereference. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version 4.5.2-beta2 is recommended to address this issue. Upgrading the affected component is advised. The vendor explains, that he was "[a]ble to reproduce in 6fcbf03 but not in 4.5.2-beta2".

Weakness: CWE-476 (NULL Pointer Dereference), CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2025-9384?

It affects 1 product.


Products: Broadcom Tcpreplay.

## How do I fix CVE-2025-9384?

Upgrade to a fixed version.

## Is CVE-2025-9384 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9384 exists.

## Other vulnerabilities in Broadcom Tcpreplay

- [CVE-2018-18408](https://insights.sbomify.com/CVE-2018-18408/): Use after free in n/a (critical 9.8)
- [CVE-2020-12740](https://insights.sbomify.com/CVE-2020-12740/): Memory corruption in n/a (critical 9.1)
- [CVE-2025-51006](https://insights.sbomify.com/CVE-2025-51006/): Use after free in n/a (high 7.8)
- [CVE-2022-37047](https://insights.sbomify.com/CVE-2022-37047/): Memory corruption in n/a (high 7.8)
- [CVE-2022-37048](https://insights.sbomify.com/CVE-2022-37048/): Memory corruption in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9384 and fix it if it is affected.

What it is: CVE-2025-9384 is a medium-severity vulnerability in Broadcom Tcpreplay, published on 24 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9384 exists.

Affected product: Broadcom Tcpreplay. 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-2025-9384/ (Markdown: https://insights.sbomify.com/CVE-2025-9384/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9384
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9384
- OSV: https://osv.dev/vulnerability/CVE-2025-9384

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-9384/
Summaries are generated and may contain mistakes; the official description above is the record.