# CVE-2025-4749: D-Link DI-7003GV2 Factory Reset backup.asp sub_4983B0 denial of service

> Remote attackers can cause a denial of service in D-Link DI-7003GV2 routers via the factory reset handler.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:** 16 May 2025
- **Updated:** 16 May 2025
- **Also known as:** GHSA-2vqj-q898-2278

## What is CVE-2025-4749?

CVE-2025-4749 is a high-severity denial of service vulnerability in D-Link DI-7003GV2, published on 16 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability classified as critical was found in D-Link DI-7003GV2 24.04.18D1 R(68125). This vulnerability affects the function sub_4983B0 of the file /H5/backup.asp?opt=reset of the component Factory Reset Handler. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-404 (Improper Resource Shutdown or Release)

## Which versions are affected by CVE-2025-4749?

It affects 1 product.


Products: Dlink Di-7003g Firmware.

## How do I fix CVE-2025-4749?

No fix has been published for CVE-2025-4749 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-4749 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4749 exists.

## Other vulnerabilities in D-Link DI-7003GV2

- [CVE-2023-45572](https://insights.sbomify.com/CVE-2023-45572/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-45573](https://insights.sbomify.com/CVE-2023-45573/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-45574](https://insights.sbomify.com/CVE-2023-45574/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-45575](https://insights.sbomify.com/CVE-2023-45575/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-45576](https://insights.sbomify.com/CVE-2023-45576/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-4749 and fix it if it is affected.

What it is: CVE-2025-4749 is a high-severity denial of service vulnerability in D-Link DI-7003GV2, published on 16 May 2025. 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-2025-4749 exists.

Affected product: D-Link DI-7003GV2. 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-2025-4749/ (Markdown: https://insights.sbomify.com/CVE-2025-4749/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-4749
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-4749
- OSV: https://osv.dev/vulnerability/CVE-2025-4749

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-4749/
Summaries are generated and may contain mistakes; the official description above is the record.