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Known exploited vulnerability

CVE-2025-9377

highCVSS 4.0 8.6In CISA KEVEPSS 41%Published · TP-Link Systems Inc.

The short answer

CVE-2025-9377 affects TP-Link Systems Inc. Archer C7(EU) V2 and is rated high (CVSS 8.6). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-09-03: attackers are using it, so patch it first.

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).

Weakness: CWE-78.

Severity

8.6 high

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploited (CISA KEV)

Yes, since Sep 3, 2025

Federal due date Sep 24, 2025

EPSS, next 30 days

41%

Higher than 99% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Attack requirements
None
Privileges required
High
User interaction
None
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected products

Archer C7(EU) V2, TL-WR841N/ND(MS) V9. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2025-9377 being exploited?

Yes. CISA added CVE-2025-9377 to its Known Exploited Vulnerabilities catalog on 2025-09-03, with a federal remediation due date of 2025-09-24.

How do I fix CVE-2025-9377?

CISA'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.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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