8.8

CVE-2023-33538

Warning
Exploit

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm .

Data is provided by the National Vulnerability Database (NVD)
Tp-link ≫ Tl-wr940n Firmware Version-
   Tp-link ≫ Tl-wr940n Version2.0
   Tp-link ≫ Tl-wr940n Version4.0
Tp-link ≫ Tl-wr841n Firmware Version-
   Tp-link ≫ Tl-wr841n Version8.0
   Tp-link ≫ Tl-wr841n Version10.0
Tp-link ≫ Tl-wr740n Firmware Version-
   Tp-link ≫ Tl-wr740n Version1.0
   Tp-link ≫ Tl-wr740n Version2.0

16.06.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

TP-Link Multiple Routers Command Injection Vulnerability

Vulnerability

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Description

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

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 90.79% 0.996
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.