# CVE-2016-6557: Cross-site request forgery in RP-AC52 Access Point

> An attacker can trick a logged-in user into performing unauthorized actions on the ASUS RP-AC52 access point via a malicious request.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Jul 2018
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-74gx-pmhr-4vmq

## What is CVE-2016-6557?

CVE-2016-6557 is a high-severity vulnerability in ASUS RP-AC52 Access Point, published on 13 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

In ASUS RP-AC52 access points with firmware version 1.0.1.1s and possibly earlier, the web interface, the web interface does not sufficiently verify whether a valid request was intentionally provided by the user. An attacker can perform actions with the same permissions as a victim user, provided the victim has an active session and is induced to trigger the malicious request.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2016-6557?

It affects 7 products.


Products: Asus Ea-N66 Firmware, Asus Rp-Ac52 Firmware, Asus Rp-Ac56 Firmware, Asus Rp-N12 Firmware, Asus Rp-N14 Firmware, Asus Rp-N53 Firmware, Asus Wmp-N12 Firmware.

## How do I fix CVE-2016-6557?

No fix has been published for CVE-2016-6557 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-6557 being exploited?

There is no known exploitation of CVE-2016-6557 in the wild and no public exploit code.

## Other vulnerabilities in ASUS RP-AC52 Access Point

- [CVE-2016-6558](https://insights.sbomify.com/CVE-2016-6558/): The ASUS RP-AC52 access point, firmware version 1.0.1.1s and possibly earlier, is vulnerable to command injection (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-6557 and fix it if it is affected.

What it is: CVE-2016-6557 is a high-severity vulnerability in ASUS RP-AC52 Access Point, published on 13 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2016-6557 in the wild and no public exploit code.

Affected product: ASUS RP-AC52 Access Point. 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-2016-6557/ (Markdown: https://insights.sbomify.com/CVE-2016-6557/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-6557
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-6557
- OSV: https://osv.dev/vulnerability/CVE-2016-6557

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-6557/
Summaries are generated and may contain mistakes; the official description above is the record.