# CVE-2025-34108: Disk Pulse Enterprise 9.0.34 Login Stack Buffer Overflow

> Attacker can execute arbitrary code with SYSTEM privileges via stack buffer overflow in login endpoint.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Jul 2025
- **Updated:** 29 Oct 2026
- **Also known as:** GHSA-cjxq-c8m6-g59j

## What is CVE-2025-34108?

CVE-2025-34108 is a high-severity memory corruption vulnerability in Flexense Disk Pulse Enterprise, published on 15 Jul 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A stack-based buffer overflow vulnerability exists in the login functionality of Disk Pulse Enterprise version 9.0.34. An attacker can send a specially crafted HTTP POST request to the /login endpoint with an overly long username parameter, causing a buffer overflow in the libspp.dll component. Successful exploitation allows arbitrary code execution with SYSTEM privileges.

Weakness: CWE-20 (Improper Input Validation), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2025-34108?


## How do I fix CVE-2025-34108?

No fix has been published for CVE-2025-34108 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-34108 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34108 exists.

Public exploit code:

- Disk Pulse Enterprise Login Buffer Overflow (metasploit)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-34108 and fix it if it is affected.

What it is: CVE-2025-34108 is a high-severity memory corruption vulnerability in Flexense Disk Pulse Enterprise, published on 15 Jul 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34108 exists.

Affected product: Flexense Disk Pulse Enterprise. 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-2025-34108/ (Markdown: https://insights.sbomify.com/CVE-2025-34108/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-34108
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-34108
- OSV: https://osv.dev/vulnerability/CVE-2025-34108

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-34108/
Summaries are generated and may contain mistakes; the official description above is the record.