CVEvulnerability

CVE-2023-33538

8.8 HIGH Known exploited Published 2023-06-07 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

TP-Link Multiple Routers Command Injection Vulnerability — TP-Link Multiple Routers

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.

Added to KEV: 2025-06-16
Remediation due: 2025-07-07
Ransomware use: Unknown
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.
Notes: https://www.tp-link.com/nordic/support/faq/3562/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-33538

Status: Analyzed
Published: 2023-06-07
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-77

Description

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 .

Affected configurations

• tp-link tl-wr940n firmware • tp-link tl-wr841n firmware • tp-link tl-wr740n firmware

Weakness · CWE (1)

CWE-77 Improper Neutralization of Special Elements used in a Command weakness

References