# CVE-2025-2851: GL.iNet GL-A1300 Slate Plus RPC plugins.so buffer overflow

> A buffer overflow in the RPC handler allows attackers to execute arbitrary code on affected GL.iNet routers.

- **Severity:** High 8.6 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Apr 2025
- **Updated:** 28 Apr 2025
- **Also known as:** GHSA-4pmj-f9rj-vppc

## What is CVE-2025-2851?

CVE-2025-2851 is a high-severity memory corruption vulnerability in GL.iNet GL-A1300 Slate Plus, published on 26 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability classified as critical has been found in GL.iNet GL-A1300 Slate Plus, GL-AR300M16 Shadow, GL-AR300M Shadow, GL-AR750 Creta, GL-AR750S-EXT Slate, GL-AX1800 Flint, GL-AXT1800 Slate AX, GL-B1300 Convexa-B, GL-B3000 Marble, GL-BE3600 Slate 7, GL-E750, GL-E750V2 Mudi, GL-MT300N-V2 Mango, GL-MT1300 Beryl, GL-MT2500 Brume 2, GL-MT3000 Beryl AX, GL-MT6000 Flint 2, GL-SFT1200 Opal, GL-X300B Collie, GL-X750 Spitz, GL-X3000 Spitz AX, GL-XE300 Puli and GL-XE3000 Puli AX 4.x. Affected is an unknown function of the file plugins.so of the component RPC Handler. The manipulation leads to buffer overflow. It is recommended to upgrade the affected component.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2025-2851?


## How do I fix CVE-2025-2851?

No fix has been published for CVE-2025-2851 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-2851 being exploited?

There is no known exploitation of CVE-2025-2851 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-2851 and fix it if it is affected.

What it is: CVE-2025-2851 is a high-severity memory corruption vulnerability in GL.iNet GL-A1300 Slate Plus, published on 26 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-2851 in the wild and no public exploit code.

Affected product: GL.iNet GL-A1300 Slate Plus. 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-2025-2851/ (Markdown: https://insights.sbomify.com/CVE-2025-2851/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-2851
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-2851
- OSV: https://osv.dev/vulnerability/CVE-2025-2851

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-2851/
Summaries are generated and may contain mistakes; the official description above is the record.