# CVE-2025-14636: Tenda AX9 httpd image_check weak hash

> A weak hash implementation in the Tenda AX9 router's httpd image_check function allows remote attackers to bypass security checks, requiring high complexity.

- **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:** 13 Dec 2025
- **Updated:** 24 Feb 2026
- **Also known as:** GHSA-9xfq-8p97-mf3j

## What is CVE-2025-14636?

CVE-2025-14636 is a medium-severity vulnerability in Tenda AX9, published on 13 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security flaw has been discovered in Tenda AX9 22.03.01.46. This affects the function image_check of the component httpd. The manipulation results in use of weak hash. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks.

Weakness: CWE-328 (Use of Weak Hash), CWE-327 (Use of a Broken or Risky Cryptographic Algorithm)

## Which versions are affected by CVE-2025-14636?

It affects 1 product.


Products: Tenda Ax9 Firmware.

## How do I fix CVE-2025-14636?

No fix has been published for CVE-2025-14636 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-14636 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-14636 exists.

## Other vulnerabilities in Tenda AX9

- [CVE-2023-49429](https://insights.sbomify.com/CVE-2023-49429/): SQL injection in n/a (critical 9.8)
- [CVE-2023-49430](https://insights.sbomify.com/CVE-2023-49430/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-49431](https://insights.sbomify.com/CVE-2023-49431/): Command injection in n/a (critical 9.8)
- [CVE-2023-49432](https://insights.sbomify.com/CVE-2023-49432/): Memory corruption in n/a (critical 9.8)
- [CVE-2023-49433](https://insights.sbomify.com/CVE-2023-49433/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-14636 and fix it if it is affected.

What it is: CVE-2025-14636 is a medium-severity vulnerability in Tenda AX9, published on 13 Dec 2025. 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-2025-14636 exists.

Affected product: Tenda AX9. 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-2025-14636/ (Markdown: https://insights.sbomify.com/CVE-2025-14636/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-14636
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-14636
- OSV: https://osv.dev/vulnerability/CVE-2025-14636

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-14636/
Summaries are generated and may contain mistakes; the official description above is the record.