VulnTideExploited vulnerabilities, by vendor. Data as of .
Known exploitedIn CISA's KEV catalog since Ransomware use: unknown
TP-Link Multiple Routers

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

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 5 days after the CVE record was published.

How likely is exploitation in the next 30 days?
37.7%

EPSS score, percentile 98.5 of all scored records

How severe?
8.6 High

CVSS v4.0 base score, given by the CNA

What should I do?

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

Advisories and patches (2)

Which versions are affected?

Affected

  • before 241108
  • before 241108

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

What to do

Required action, set by CISA

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 due date for this action: .

Advisories and patches

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

TP-Link Systems Inc. Archer C7(EU) V2
StatusVersions
Affectedbefore 241108

Versions not listed are: unaffected.

TP-Link Systems Inc. TL-WR841N/ND(MS) V9
StatusVersions
Affectedbefore 241108

Versions not listed are: unaffected.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

About this vulnerability

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.

Summary: CISA's KEV catalog, as of .

  • CISA added CVE-2025-9377 to its Known Exploited Vulnerabilities (KEV) catalog on 3 Sep 2025.
  • CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
  • The due date CISA sets for the required action is 24 Sep 2025.
  • The CVE record was published on 29 Aug 2025, 5 days before it was added to KEV.
  • The CVE record carries a CVSS v4.0 base score of 8.6 (High), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 37.7% (percentile 98.5), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.

Description

Authenticated RCE via Parental Control command injection

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).

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.

Weakness

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Attack patterns (CAPEC)

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
CVE record published
Added to CISA KEV
CISA due date for the required action
CVE record last updated

More exploited TP-Link vulnerabilities

  • CVE-2023-50224: TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability (added )
  • CVE-2020-24363: TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability (added )
  • CVE-2023-33538: TP-Link Multiple Routers Command Injection Vulnerability (added )
  • CVE-2023-1389: TP-Link Archer AX-21 Command Injection Vulnerability (added )
  • CVE-2015-3035: TP-Link Multiple Archer Devices Directory Traversal Vulnerability (added )