# CVE-2025-63729: Information disclosure in n/a

> Attackers can extract SSL private keys and certificates from the firmware of Syrotech GPON devices, compromising secure communications.

- **Severity:** Critical 9.0 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A: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:** 25 Nov 2025
- **Updated:** 25 Nov 2025
- **Also known as:** GHSA-qr4p-6qp4-5mch

## What is CVE-2025-63729?

CVE-2025-63729 is a critical vulnerability in n/a, published on 25 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An issue was discovered in Syrotech SY-GPON-1110-WDONT SYRO_3.7L_3.1.02-240517 allowing attackers to exctract the SSL Private Key, CA Certificate, SSL Certificate, and Client Certificates in .pem format in firmware in etc folder.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File), CWE-312 (Cleartext Storage of Sensitive Information), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2025-63729?

It affects 1 product.


Products: Syrotech Sy-Gpon-1110-Wdont Firmware.

## How do I fix CVE-2025-63729?

No fix has been published for CVE-2025-63729 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-63729 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63729 exists.

Public exploit code:

- https://github.com/Yashodhanvivek/CVE-2025-63729-Syrotech-SY-GPON-1110- (github_poc): https://github.com/Yashodhanvivek/CVE-2025-63729-Syrotech-SY-GPON-1110-

## Other vulnerabilities in n/a

- [CVE-2024-41687](https://insights.sbomify.com/CVE-2024-41687/): Cleartext Transmission of Sensitive Information Vulnerability (high 8.6)
- [CVE-2024-41686](https://insights.sbomify.com/CVE-2024-41686/): Password Policy Bypass Vulnerability (high 7.3)
- [CVE-2024-41688](https://insights.sbomify.com/CVE-2024-41688/): Cleartext Storage of Sensitive Information Vulnerability (high 7.0)
- [CVE-2024-41690](https://insights.sbomify.com/CVE-2024-41690/): Default Credential Storage in Plaintext Vulnerability (high 7.0)
- [CVE-2024-41691](https://insights.sbomify.com/CVE-2024-41691/): Insecure Storage of Sensitive Information Vulnerability (high 7.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-63729 and fix it if it is affected.

What it is: CVE-2025-63729 is a critical vulnerability in n/a, published on 25 Nov 2025. 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-2025-63729 exists.

Affected product: n/a. 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-2025-63729/ (Markdown: https://insights.sbomify.com/CVE-2025-63729/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-63729
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-63729
- OSV: https://osv.dev/vulnerability/CVE-2025-63729

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-63729/
Summaries are generated and may contain mistakes; the official description above is the record.