Background exploitation KEV catalog

CVE-2025-9377

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

CheckOps priority index

6.5/10 Patch within 7 days

Severity8.6

Probability4.1

Exploitation3/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 41.3% +3.6 pts in 7 days

CVSS 4.0 8.6 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/

Exploited for 426 days 03 Sept 2025

CISA due date 24 Sept 2025 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 3 / 5

KEV catalog (CISA)03 Sept 2025
Exploited in EUVD (ENISA)03 Sept 2025
Used by ransomwareno
EPSS above 10 %41.3%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

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

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

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

Archer C7(EU) V2TL-WR841N/ND(MS) V9Multiple Routers

Affected versions

0 <241108

Weaknesses (CWE)

CWE-78

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

29 Aug 2025
Published
03 Sept 2025
Exploitation reported (ENISA)
03 Sept 2025
Added to the KEV catalog
24 Sept 2025
CISA remediation due date
29 Oct 2026
EPSS peak: 41.3%

References

Other exploited vulnerabilities from the same vendor

CVE-2023-50224TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability
5.0 · Background exploitation
CVE-2020-24363TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability
6.0 · Background exploitation
CVE-2023-33538TP-Link Multiple Routers Command Injection Vulnerability
6.6 · Background exploitation
CVE-2023-1389TP-Link Archer AX-21 Command Injection Vulnerability
8.3 · Background exploitation
CVE-2015-3035TP-Link Multiple Archer Devices Directory Traversal Vulnerability
7.9 · Background exploitation