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CVE-2026-113802

9.8, critical

Wavlink WL-WN530BE1-A OS Command Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
20 Oct 2026yesterday

Description

Wavlink WL-WN530BE1-A firmware through M30BE1_V251117 contains an OS command injection vulnerability in the sub_23B54 function of the ioos binary, which passes the unsanitized file_id parameter of /protocol.csp?opt=ovpn_file requests with type=del to popen(). A remote unauthenticated attacker can send a forged IP-FROM: 127.0.0.1 header to bypass login and execute arbitrary commands as root.

Details

Vendor
Wavlink
Product
WL-WN530BE1-A
Weakness
CWE-78 (opens in a new tab)
Status
Deferred
Updated
20 Oct 2026
Assigner
disclosure@vulncheck.com

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

References 2

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 Wavlink CVEs

Every Wavlink CVE we hold

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

  • CVE-2026-110957 Wavlink WL-WN530BE2-A Command Injection Vulnerability EPSS 3% 10, critical
  • CVE-2026-109108 Wavlink WL-WN530BE1-A Command Injection Vulnerability EPSS 2% 9.9, critical
  • CVE-2026-109109 Wavlink WL-WN530BE1-A Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability EPSS 0.6% 10, critical
  • CVE-2026-109110 Wavlink WL-WN592AX6 Command Injection Vulnerability EPSS 2% 10, critical

Beyond this page

Is CVE-2026-113802 in your network?

This page tells you how dangerous CVE-2026-113802 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.

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    Find it before attackers do

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  • 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.

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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 21 Oct 2026, not the live upstream state.