CISA KEV source record / CVE-2025-9377

TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability

TP-Link / Multiple Routers

Known exploitation catalogNot a Secureline discoveryNot a live alert

TP-Link Archer C7(EU) and TL-WR841N/ND(MS) contain an OS command injection vulnerability that exists in the Parental Control page. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

CVE identifier
CVE-2025-9377
Added to KEV
Sep 3, 2025
CISA catalog dueDate
Sep 24, 2025

The dates above are catalog fields. The addition date does not establish when the vulnerability was discovered or first exploited. Confirm which requirements apply to your organisation separately.

Publisher's 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.

This wording is attributed to the CISA snapshot. Verify current vendor guidance, affected versions and your deployment before applying changes.

Keep the signals separate.

Ransomware use, as reported by CISA
Unknown
CVSS severity
Not supplied by KEV
EPSS probability
33.52%

EPSS score date: 2026-09-27T12:00:21Z. Percentile: 98.33%. Model version: v2026.06.15.

A dated estimate of exploitation probability over the following 30 days, not a severity score or a probability of a breach in your environment.

Inspect the EPSS source ↗

“Unknown” ransomware use is an unknown source field, not proof that ransomware activity has not occurred.

Source notes

https://www.tp-link.com/us/support/faq/4308/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-9377

Source & freshness

Catalog version 2026.09.27
Source updated: Sep 27, 2026, 9:30 PM UTC
Successfully checked: Sep 27, 2026, 11:50 PM UTC
This snapshot is older than 36 hours. Check current publisher guidance.

Automated source record, not an editorial advisory or an independent discovery. No affected or fixed version is inferred, and no organisation-specific risk rating is generated.