# CVE-2018-25321: TP-Link TL-WR720N CSRF via Administrative Interfaces (firmware V1_130719)

> Attackers can trick authenticated users into modifying router settings like port forwarding or WiFi security via CSRF.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 May 2026
- **Updated:** 1 Oct 2026
- **Also known as:** GHSA-xcjj-554g-7m97

## What is CVE-2018-25321?

CVE-2018-25321 is a medium-severity vulnerability in Tp-link TL-WR720NMbps Wireless N Router, published on 17 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

TP-Link TL-WR720N wireless router contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized administrative actions by crafting malicious web requests. Attackers can modify port forwarding rules via VirtualServerRpm.htm or change WiFi security settings via WlanSecurityRpm.htm by tricking authenticated users into visiting attacker-controlled pages.

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

## Which versions are affected by CVE-2018-25321?

It affects 1 product.


Products: Tp-Link Tl-Wr720n Firmware.

## How do I fix CVE-2018-25321?

No fix has been published for CVE-2018-25321 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-25321 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25321 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-25321 and fix it if it is affected.

What it is: CVE-2018-25321 is a medium-severity vulnerability in Tp-link TL-WR720NMbps Wireless N Router, published on 17 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25321 exists.

Affected product: Tp-link TL-WR720NMbps Wireless N Router. 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-2018-25321/ (Markdown: https://insights.sbomify.com/CVE-2018-25321/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-25321
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-25321
- OSV: https://osv.dev/vulnerability/CVE-2018-25321

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-25321/
Summaries are generated and may contain mistakes; the official description above is the record.