# CVE-2025-1646: Lumsoft ERP ASPX File UploadAjaxAPI.ashx unrestricted upload

> Attackers can upload malicious files via the UploadAjaxAPI endpoint in Lumsoft ERP, potentially leading to remote code execution.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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:** 25 Feb 2025
- **Updated:** 25 Feb 2025
- **Also known as:** GHSA-3qjw-mx2c-24fm

## What is CVE-2025-1646?

CVE-2025-1646 is a medium-severity vulnerability in Lumsoft ERP, published on 25 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, has been found in Lumsoft ERP 8. Affected by this issue is some unknown functionality of the file /Api/TinyMce/UploadAjaxAPI.ashx of the component ASPX File Handler. The manipulation of the argument file leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2025-1646?


## How do I fix CVE-2025-1646?

No fix has been published for CVE-2025-1646 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-1646 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-1646 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-1646 and fix it if it is affected.

What it is: CVE-2025-1646 is a medium-severity vulnerability in Lumsoft ERP, published on 25 Feb 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-2025-1646 exists.

Affected product: Lumsoft ERP. 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-2025-1646/ (Markdown: https://insights.sbomify.com/CVE-2025-1646/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-1646
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-1646
- OSV: https://osv.dev/vulnerability/CVE-2025-1646

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-1646/
Summaries are generated and may contain mistakes; the official description above is the record.