# CVE-2026-11555: D-Link DGS-1100-08PD Web boa.conf least privilege violation

> Remote attackers can exploit a least privilege violation in the web interface configuration to escalate privileges on D-Link switches.

- **Severity:** Medium 6.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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:** 8 Jun 2026
- **Updated:** 9 Jun 2026
- **Also known as:** GHSA-gr54-fjx7-fj9c

## What is CVE-2026-11555?

CVE-2026-11555 is a medium-severity vulnerability in D-Link DGS-1100-08PD, published on 8 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was identified in D-Link DGS-1100-08PD 1.00.006. This issue affects some unknown processing of the file /etc/boa.conf of the component Web Interface. Such manipulation leads to least privilege violation. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is assessed as difficult. The exploit is publicly available and might be used.

Weakness: CWE-272 (Least Privilege Violation), CWE-266 (Incorrect Privilege Assignment)

## Which versions are affected by CVE-2026-11555?

It affects 1 product.


Products: Dlink Dgs-1100-08pd Firmware.

## How do I fix CVE-2026-11555?

No fix has been published for CVE-2026-11555 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11555 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11555 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11555 and fix it if it is affected.

What it is: CVE-2026-11555 is a medium-severity vulnerability in D-Link DGS-1100-08PD, published on 8 Jun 2026. 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-2026-11555 exists.

Affected product: D-Link DGS-1100-08PD. 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-2026-11555/ (Markdown: https://insights.sbomify.com/CVE-2026-11555/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11555
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11555
- OSV: https://osv.dev/vulnerability/CVE-2026-11555

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-11555/
Summaries are generated and may contain mistakes; the official description above is the record.