# CVE-2025-10385: Mercury KM08-708H GiGA WiFi Wave2 mcr_setSysAdm sub_450B2C buffer overflow

> Remote attackers can trigger a buffer overflow in the Mercury KM08-708H router's admin interface to execute arbitrary code or escalate privileges.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Sep 2025
- **Updated:** 15 Sep 2025
- **Also known as:** GHSA-q5pj-h5w4-7f24

## What is CVE-2025-10385?

CVE-2025-10385 is a high-severity memory corruption vulnerability in Mercury KM08-708H GiGA WiFi Wave2, published on 14 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in Mercury KM08-708H GiGA WiFi Wave2 1.1. Affected by this issue is the function sub_450B2C of the file /goform/mcr_setSysAdm. The manipulation of the argument ChgUserId leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

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-2025-10385?


## How do I fix CVE-2025-10385?

No fix has been published for CVE-2025-10385 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-10385 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10385 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-10385 and fix it if it is affected.

What it is: CVE-2025-10385 is a high-severity memory corruption vulnerability in Mercury KM08-708H GiGA WiFi Wave2, published on 14 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10385 exists.

Affected product: Mercury KM08-708H GiGA WiFi Wave2. 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-2025-10385/ (Markdown: https://insights.sbomify.com/CVE-2025-10385/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-10385
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-10385
- OSV: https://osv.dev/vulnerability/CVE-2025-10385

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-10385/
Summaries are generated and may contain mistakes; the official description above is the record.