CVE-2026-113802CWE-78command-injection

CVE-2026-113802

Critical · published October 20, 2026

CVSS v3.1
9.8
EPSS
3%
Percentile
86.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.02880 · 86.7th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-10-20T22:17Z
References (2)
https://github.com/F-yyjy/cve/blob/main/WN530BE1(en).md · [email protected]https://www.vulncheck.com/advisories/wavlink-wl-wn530be1-a-unauthenticated-os-command-injection-in-ioos-protocol-csp-ovpn-file-handler · [email protected]
EPSS history
Timeline
  • 22 OCT 03:29Z
    EPSS moved — → 3%
    epss
  • 20 OCT 17:59Z
    Wavlink WL-WN530BE1-A Unauthenticated OS Command Injection in ioos protocol.csp ovpn_file Handler
    cvelistv5
  • 20 OCT 17:59Z
    Wavlink WL-WN530BE1-A Unauthenticated OS Command Injection in ioos protocol.csp ovpn_file Handler
    cvelistv5