# CVE-2026-24426: Tenda AC7 Reflected XSS via Web Interface Output Encoding

> Attackers can inject malicious scripts into the Tenda AC7 web interface, potentially compromising user sessions and executing code in victim browsers.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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:** 3 Feb 2026
- **Updated:** 25 May 2026
- **Also known as:** GHSA-224p-vx89-7gp5

## What is CVE-2026-24426?

CVE-2026-24426 is a medium-severity cross-site scripting vulnerability in Tenda Ac7 Firmware, published on 3 Feb 2026. 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

Shenzhen Tenda AC7 firmware version V03.03.03.01_cn and prior contain an improper output encoding vulnerability in the web management interface. User-supplied input is reflected in HTTP responses without adequate escaping, allowing injection of arbitrary HTML or JavaScript in a victim’s browser context.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-24426?

It affects 1 product.


Products: Tenda Ac7 Firmware.

## How do I fix CVE-2026-24426?

No fix has been published for CVE-2026-24426 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-24426 being exploited?

There is no known exploitation of CVE-2026-24426 in the wild and no public exploit code.

## Other vulnerabilities in Tenda Ac7 Firmware

- [CVE-2026-51843](https://insights.sbomify.com/CVE-2026-51843/): Memory corruption in n/a (critical 9.8)
- [CVE-2026-51844](https://insights.sbomify.com/CVE-2026-51844/): Memory corruption in n/a (critical 9.8)
- [CVE-2026-51845](https://insights.sbomify.com/CVE-2026-51845/): Memory corruption in n/a (critical 9.8)
- [CVE-2026-51846](https://insights.sbomify.com/CVE-2026-51846/): Memory corruption in n/a (critical 9.8)
- [CVE-2025-29135](https://insights.sbomify.com/CVE-2025-29135/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-24426 and fix it if it is affected.

What it is: CVE-2026-24426 is a medium-severity cross-site scripting vulnerability in Tenda Ac7 Firmware, published on 3 Feb 2026. 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-2026-24426 in the wild and no public exploit code.

Affected product: Tenda Ac7 Firmware. 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-2026-24426/ (Markdown: https://insights.sbomify.com/CVE-2026-24426/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-24426
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-24426
- OSV: https://osv.dev/vulnerability/CVE-2026-24426

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-24426/
Summaries are generated and may contain mistakes; the official description above is the record.