# CVE-2020-36915: Adtec Digital SignEdje Digital Signage Player v2.08.28 Default Credentials

> Hardcoded default credentials allow unauthenticated remote attackers to gain root access and execute commands on Adtec digital signage devices.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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:** 6 Jan 2026
- **Updated:** 6 Jan 2026
- **Also known as:** GHSA-crvx-wh2g-r65c

## What is CVE-2020-36915?

CVE-2020-36915 is a high-severity vulnerability in Adtecdigital ED-71 10-bit / 1080p Integrated Receiver Decoder, published on 6 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Adtec Digital SignEdje Digital Signage Player v2.08.28 contains multiple hardcoded default credentials that allow unauthenticated remote access to web, telnet, and SSH interfaces. Attackers can exploit these credentials to gain root-level access and execute system commands across multiple Adtec Digital product versions.

Weakness: CWE-798 (Use of Hard-coded Credentials), CWE-1392 (Use of Default Credentials)

## Which versions are affected by CVE-2020-36915?


## How do I fix CVE-2020-36915?

No fix has been published for CVE-2020-36915 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36915 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36915 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36915 and fix it if it is affected.

What it is: CVE-2020-36915 is a high-severity vulnerability in Adtecdigital ED-71 10-bit / 1080p Integrated Receiver Decoder, published on 6 Jan 2026. 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-2020-36915 exists.

Affected product: Adtecdigital ED-71 10-bit / 1080p Integrated Receiver Decoder. 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-2020-36915/ (Markdown: https://insights.sbomify.com/CVE-2020-36915/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36915
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36915
- OSV: https://osv.dev/vulnerability/CVE-2020-36915

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-36915/
Summaries are generated and may contain mistakes; the official description above is the record.