# CVE-2026-108930: Netcore NR268 DDNS ddns_wan_list_show.cgi ddns_wan_list_show information disclosure

> Remote attackers can exploit the DDNS handler to disclose sensitive information via manipulated arguments in the Netcore NR268 router.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Oct 2026
- **Updated:** 13 Oct 2026
- **Also known as:** GHSA-f4hf-p864-9577

## What is CVE-2026-108930?

CVE-2026-108930 is a medium-severity vulnerability in Netcore NR268, published on 12 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A vulnerability has been found in Netcore NR268 1.7.121109. The impacted element is the function ddns_wan_list_show of the file ddns_wan_list_show.cgi of the component DDNS Handler. The manipulation of the argument user_idN/passwordN leads to information disclosure. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-284 (Improper Access Control), CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2026-108930?


## How do I fix CVE-2026-108930?

No fix has been published for CVE-2026-108930 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-108930 being exploited?

There is no known exploitation of CVE-2026-108930 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-108930 and fix it if it is affected.

What it is: CVE-2026-108930 is a medium-severity vulnerability in Netcore NR268, published on 12 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-108930 in the wild and no public exploit code.

Affected product: Netcore NR268. 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-2026-108930/ (Markdown: https://insights.sbomify.com/CVE-2026-108930/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-108930
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-108930
- OSV: https://osv.dev/vulnerability/CVE-2026-108930

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-108930/
Summaries are generated and may contain mistakes; the official description above is the record.