# CVE-2018-10621: Memory corruption in Delta Industrial Automation DOPSoft

> A stack buffer overflow in Delta DOPSoft allows remote code execution or application crashes via a malicious .dpa file.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Jun 2018
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-v38p-9xph-g2q2

## What is CVE-2018-10621?

CVE-2018-10621 is a critical memory corruption vulnerability in Delta Industrial Automation DOPSoft, published on 18 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Delta Electronics Delta Industrial Automation DOPSoft version 4.00.04 and prior utilizes a fixed-length stack buffer where a value larger than the buffer can be read from a .dpa file into the buffer, causing the buffer to be overwritten. This may allow remote code execution or cause the application to crash.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2018-10621?

It affects 1 product.


Products: Deltaww Delta Industrial Automation Dopsoft.

## How do I fix CVE-2018-10621?

No fix has been published for CVE-2018-10621 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-10621 being exploited?

There is no known exploitation of CVE-2018-10621 in the wild and no public exploit code.

## Other vulnerabilities in Delta Industrial Automation DOPSoft

- [CVE-2018-10617](https://insights.sbomify.com/CVE-2018-10617/): Memory corruption in Delta Industrial Automation DOPSoft (critical 9.8)
- [CVE-2018-10623](https://insights.sbomify.com/CVE-2018-10623/): Memory corruption in Delta Industrial Automation DOPSoft (critical 9.8)
- [CVE-2019-13513](https://insights.sbomify.com/CVE-2019-13513/): Memory corruption in Delta Industrial Automation DOPSoft (high 7.8)
- [CVE-2019-13514](https://insights.sbomify.com/CVE-2019-13514/): Use after free in Delta Industrial Automation DOPSoft (high 7.8)
- [CVE-2018-5476](https://insights.sbomify.com/CVE-2018-5476/): Memory corruption in Delta Electronics Delta Industrial Automation DOPSoft (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-10621 and fix it if it is affected.

What it is: CVE-2018-10621 is a critical memory corruption vulnerability in Delta Industrial Automation DOPSoft, published on 18 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-10621 in the wild and no public exploit code.

Affected product: Delta Industrial Automation DOPSoft. 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-2018-10621/ (Markdown: https://insights.sbomify.com/CVE-2018-10621/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-10621
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-10621
- OSV: https://osv.dev/vulnerability/CVE-2018-10621

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-10621/
Summaries are generated and may contain mistakes; the official description above is the record.