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CVE-2025-9377

Authenticated RCE via Parental Control command injection

HIGH
7.2
CVSS Score
Published: August 29, 2025 at 05:30 PM UTC
Updated: October 18, 2026 at 09:10 PM UTC
3 products affected across 1 vendorTl WR841N FirmwareTl WR841ND FirmwareArcher C7 Firmware· also runs on 3 platforms

Using Archer C7(EU) V2 by TP-Link Systems Inc.?

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Severity
HIGH7.2
Exploitation
CISA KEV
Exploit prediction
EPSS 41%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score41.3%

EPSS (Exploit Prediction Scoring System) estimates a 41.3% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.

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.
Ransomware Use
Unknown
Added to KEV
Sep 3, 2025
Remediation Due
Sep 24, 2025
404 days overdue
Notes
https://www.tp-link.com/us/support/faq/4308/
https://nvd.nist.gov/vuln/detail/CVE-2025-9377

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Archer C7 Firmware· TP-Link
95%
v < 241108
Affected range stops below 241108, so it looks safe — our inference, not a vendor statement
Tl WR841N Firmware· TP-Link
95%
v < 241108
Affected range stops below 241108, so it looks safe — our inference, not a vendor statement
Tl WR841ND Firmware· TP-Link
95%
v < 241108
Affected range stops below 241108, so it looks safe — our inference, not a vendor statement
tp-link-tl-wr841nd (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Archer C7· TP-Link
95%
Affected range stops below 241108, so it looks safe — our inference, not a vendor statement
TL-WR841N· TP-Link
95%
Affected range stops below 241108, so it looks safe — our inference, not a vendor statement
TL-WR841ND· TP-Link
95%
Affected range stops below 241108, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

PatchVendor AdvisoryProduct
Source: f23511db-6c3e-4e32-a477-6aa17d310630
https://www.tp-link.com/us/support/faq/4308/
Vendor Advisory
Source: f23511db-6c3e-4e32-a477-6aa17d310630
https://www.tp-link.com/us/support/faq/4365/
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9377

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

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