# CVE-2026-11516: UTT HiPER 2610G formNatStaticMap strcpy buffer overflow

> A buffer overflow in the UTT HiPER 2610G router allows attackers to execute arbitrary code or escalate privileges via the NatBinds parameter.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **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:** 8 Jun 2026
- **Updated:** 8 Jun 2026
- **Also known as:** GHSA-x96m-rwwr-fr23

## What is CVE-2026-11516?

CVE-2026-11516 is a medium-severity memory corruption vulnerability in UTT HiPER 2610G, published on 8 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was found in UTT HiPER 2610G up to 3.0.0-171107. This affects the function strcpy of the file /goform/formNatStaticMap. Performing a manipulation of the argument NatBinds results in buffer overflow. The exploit has been made public and could 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-2026-11516?


## How do I fix CVE-2026-11516?

No fix has been published for CVE-2026-11516 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11516 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11516 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11516 and fix it if it is affected.

What it is: CVE-2026-11516 is a medium-severity memory corruption vulnerability in UTT HiPER 2610G, published on 8 Jun 2026. 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-2026-11516 exists.

Affected product: UTT HiPER 2610G. 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-2026-11516/ (Markdown: https://insights.sbomify.com/CVE-2026-11516/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11516
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11516
- OSV: https://osv.dev/vulnerability/CVE-2026-11516

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-11516/
Summaries are generated and may contain mistakes; the official description above is the record.