# CVE-2019-25626: River Past Cam Do 3.7.6 Local Buffer Overflow in Activation Code

> Local attackers can execute arbitrary code by exploiting a buffer overflow in the activation code input field of River Past Cam Do.

- **Severity:** High 8.6 (`CVSS:4.0/AV:L/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Mar 2026
- **Updated:** 26 Mar 2026
- **Also known as:** GHSA-hqxh-7863-jx9r

## What is CVE-2019-25626?

CVE-2019-25626 is a high-severity memory corruption vulnerability in Flexhex River Past Cam Do, published on 24 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

River Past Cam Do 3.7.6 contains a local buffer overflow vulnerability in the activation code input field that allows local attackers to execute arbitrary code by supplying a malicious activation code string. Attackers can craft a buffer containing 608 bytes of junk data followed by shellcode and SEH chain overwrite values to trigger code execution when the activation dialog processes the input.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2019-25626?

It affects 1 product.


Products: River Past Cam Do Project River Past Cam Do.

## How do I fix CVE-2019-25626?

No fix has been published for CVE-2019-25626 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-25626 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25626 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25626 and fix it if it is affected.

What it is: CVE-2019-25626 is a high-severity memory corruption vulnerability in Flexhex River Past Cam Do, published on 24 Mar 2026. 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-2019-25626 exists.

Affected product: Flexhex River Past Cam Do. 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-2019-25626/ (Markdown: https://insights.sbomify.com/CVE-2019-25626/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25626
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25626
- OSV: https://osv.dev/vulnerability/CVE-2019-25626

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-25626/
Summaries are generated and may contain mistakes; the official description above is the record.