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Critical 9.8Published Oct 20, 2026

CVE-2026-113802Wavlink WL-WN530BE1-A Unauthenticated OS Command Injection in ioos protocol.csp ovpn_file Handler

Updated under an hour ago ()

Does this affect you?

It affects Wavlink WL-WN530BE1-A. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-78
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Oct 20, 2026
First seen by InfoSec Signals
Oct 20, 2026

Affected products

Affected products
Wavlink WL-WN530BE1-A
wavlink:wl_wn530be1_a (from the name)
M30BE1_V251117
CNA record

References

  • third-party-advisory, exploit
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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