Skip to content
EXYS
Back to the CVEs

CVE-2023-33538

8.8, high Known exploited

TP-Link Multiple Routers Command Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
8.8, high high CVSS v3.1
EPSS, next 30 days
42% higher than 98.6% of scored CVEs
Exploitation
Confirmed in the wild
Published
7 Jun 20233 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 16 Jun 2025. US federal agencies had to remediate by 7 Jul 2025, a deadline that has passed.

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.

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 .

Details

Vendor
TP-Link
Product
Tl-wr940n Firmware
Weakness
CWE-77 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
cve@mitre.org

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References 5

Exploit code 2

Advisories 1

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other TP-Link CVEs

Every TP-Link CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2025-9377 TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability KEV EPSS 38% 7.2, high
  • CVE-2023-50224 TP-Link TL-WR841N Authentication Bypass by Spoofing Vulnerability KEV EPSS 20% 6.5, medium
  • CVE-2023-1389 TP-Link Archer AX-21 Command Injection Vulnerability KEV EPSS 100% 8.8, high
  • CVE-2020-24363 TP-link TL-WA855RE Missing Authentication for Critical Function Vulnerability KEV EPSS 22% 8.8, high
  • CVE-2015-3035 TP-Link Multiple Archer Devices Directory Traversal Vulnerability KEV EPSS 84% 7.5, high

Beyond this page

Is CVE-2023-33538 in your network?

This page tells you how dangerous CVE-2023-33538 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2023-33538 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2023-33538 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.