# CVE-2025-10392: Mercury KM08-708H GiGA WiFi Wave2 HTTP Header stack-based overflow

> Remote attackers can trigger a stack-based buffer overflow in the HTTP header handler of Mercury WiFi routers, potentially leading to code execution or service disruption.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Sep 2025
- **Updated:** 15 Sep 2025
- **Also known as:** GHSA-26gv-x98q-gqcw

## What is CVE-2025-10392?

CVE-2025-10392 is a critical memory corruption vulnerability in Mercury KM08-708H GiGA WiFi Wave2, published on 14 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was detected in Mercury KM08-708H GiGA WiFi Wave2 1.1.14. This affects an unknown function of the component HTTP Header Handler. The manipulation of the argument Host results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.

Weakness: CWE-121 (Stack-based Buffer Overflow), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2025-10392?


## How do I fix CVE-2025-10392?

No fix has been published for CVE-2025-10392 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-10392 being exploited?

There is no known exploitation of CVE-2025-10392 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-10392 and fix it if it is affected.

What it is: CVE-2025-10392 is a critical memory corruption vulnerability in Mercury KM08-708H GiGA WiFi Wave2, published on 14 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-10392 in the wild and no public exploit code.

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-2025-10392/ (Markdown: https://insights.sbomify.com/CVE-2025-10392/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-10392
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-10392
- OSV: https://osv.dev/vulnerability/CVE-2025-10392

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-10392/
Summaries are generated and may contain mistakes; the official description above is the record.