# CVE-2021-41437: Other in n/a

> An HTTP response splitting flaw in ASUS routers allows attackers to redirect authenticated users to malicious cloud storage, potentially exposing data.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N`)
- **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:** 26 Sep 2022
- **Updated:** 21 May 2025
- **Also known as:** GHSA-69p6-xm96-58f8

## What is CVE-2021-41437?

CVE-2021-41437 is a medium-severity vulnerability in n/a, published on 26 Sep 2022. 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

An HTTP response splitting attack in web application in ASUS RT-AX88U before v3.0.0.4.388.20558 allows an attacker to craft a specific URL that if an authenticated victim visits it, the URL will give access to the cloud storage of the attacker.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2021-41437?

It affects 1 product.


Products: Asus Rt-Ax88u Firmware.

## How do I fix CVE-2021-41437?

No fix has been published for CVE-2021-41437 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-41437 being exploited?

There is no known exploitation of CVE-2021-41437 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2022-26674](https://insights.sbomify.com/CVE-2022-26674/): ASUS RT-AX88U - Format String (critical 9.8)
- [CVE-2023-41349](https://insights.sbomify.com/CVE-2023-41349/): ASUS RT-AX88U - externally-controlled format string (high 8.8)
- [CVE-2023-34360](https://insights.sbomify.com/CVE-2023-34360/): ASUS RT-AX88U - Stored XSS (high 8.2)
- [CVE-2023-34358](https://insights.sbomify.com/CVE-2023-34358/): ASUS RT-AX88U - Out-of-bounds Read - 1 (high 7.5)
- [CVE-2023-34359](https://insights.sbomify.com/CVE-2023-34359/): ASUS RT-AX88U - Out-of-bounds Read - 2 (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-41437 and fix it if it is affected.

What it is: CVE-2021-41437 is a medium-severity vulnerability in n/a, published on 26 Sep 2022. 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-2021-41437 in the wild and no public exploit code.

Affected product: n/a. 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-2021-41437/ (Markdown: https://insights.sbomify.com/CVE-2021-41437/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-41437
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-41437
- OSV: https://osv.dev/vulnerability/CVE-2021-41437

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-41437/
Summaries are generated and may contain mistakes; the official description above is the record.