# CVE-2022-41806: BIG-IP AFM NAT64 Policy Vulnerability CVE-2022-41806

> Attackers can cause memory exhaustion and denial of service on F5 BIG-IP AFM devices when NAT64 policies are configured.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Oct 2022
- **Updated:** 8 May 2025
- **Also known as:** GHSA-xqp8-9mv7-5h3c

## What is CVE-2022-41806?

CVE-2022-41806 is a high-severity denial of service vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 19 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

In versions 16.1.x before 16.1.3.2 and 15.1.x before 15.1.5.1, when BIG-IP AFM Network Address Translation policy with IPv6/IPv4 translation rules is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2022-41806?

It affects 1 product.


Products: F5 Big-Ip Advanced Firewall Manager.

## How do I fix CVE-2022-41806?

No fix has been published for CVE-2022-41806 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-41806 being exploited?

There is no known exploitation of CVE-2022-41806 in the wild and no public exploit code.

## Other vulnerabilities in F5 Big-Ip Advanced Firewall Manager

- [CVE-2021-23040](https://insights.sbomify.com/CVE-2021-23040/): SQL injection in BIG-IP AFM (high 8.8)
- [CVE-2025-59478](https://insights.sbomify.com/CVE-2025-59478/): BIG-IP AFM DoS protection profile vulnerability (high 8.7)
- [CVE-2025-24312](https://insights.sbomify.com/CVE-2025-24312/): BIG-IP AFM vulnerability (high 8.7)
- [CVE-2019-6636](https://insights.sbomify.com/CVE-2019-6636/): Cross-site scripting in BIG-IP (AFM, ASM) (high 8.4)
- [CVE-2024-21763](https://insights.sbomify.com/CVE-2024-21763/): BIG-IP AFM vulnerability (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-41806 and fix it if it is affected.

What it is: CVE-2022-41806 is a high-severity denial of service vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 19 Oct 2022. 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-2022-41806 in the wild and no public exploit code.

Affected product: F5 Big-Ip Advanced Firewall Manager. 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-2022-41806/ (Markdown: https://insights.sbomify.com/CVE-2022-41806/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-41806
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-41806
- OSV: https://osv.dev/vulnerability/CVE-2022-41806

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-41806/
Summaries are generated and may contain mistakes; the official description above is the record.