---
title: "CVE-2025-9377: TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability"
url: https://erroneo.us/security/cve/CVE-2025-9377/
description: "CVE-2025-9377 (TP-Link Multiple Routers): Exploited in the wild (CISA KEV). The authenticated remote command execution (RCE) vulnerability exists in the…"
type: vulnerability-record
section: "Security Digest"
date_published: 2025-08-29
date_modified: 2026-02-26
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2025-9377"
kev: true
cvss: 8.6
epss: 0.37731
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2025-9377: TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run TP-Link Multiple Routers. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2025-09-03, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2025-09-24 ; treat that as the outer limit, not the target.
- EPSS 37.7% , percentile 99: FIRST’s model estimates a 37.7% chance of exploitation activity in the next 30 days, higher than 99% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Needs an account (high (admin)). Exposure depends on who can log in.

## What it is

The authenticated remote command execution (RCE) vulnerability exists in the Parental Control page on TP-Link Archer C7(EU) V2 and TL-WR841N/ND(MS) V9. This issue affects Archer C7(EU) V2: before 241108 and TL-WR841N/ND(MS) V9: before 241108. Both products have reached the status of EOL (end-of-life). It's recommending to purchase the new product to ensure better performance and security. If replacement is not an option in the short term, please use the second reference link to download and install the patch(es).

## Affected products (CVE record)

- TP-Link Systems Inc. Archer C7(EU) V2: < 241108
- TP-Link Systems Inc. TL-WR841N/ND(MS) V9: < 241108

## Severity

- TPLink CVSS 4.0: 8.6 `CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`

## Exploitation

- CISA KEV: added 2025-09-03; federal due date 2025-09-24. Known ransomware use: Unknown.
- CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA SSVC assessment: exploitation active , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 37.73% probability of exploitation activity in the next 30 days; percentile 99.

## Sources

- [tp-link.com](https://www.tp-link.com/us/support/faq/4365/)
- [tp-link.com](https://www.tp-link.com/us/support/faq/4308/)
- [CVE.org record CVE-2025-9377](https://www.cve.org/CVERecord?id=CVE-2025-9377)
- [NVD entry CVE-2025-9377](https://nvd.nist.gov/vuln/detail/CVE-2025-9377)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9377)

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Source page: https://erroneo.us/security/cve/CVE-2025-9377/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt