Vulnerability details
CVE-2026-113802
Wavlink WL-WN530BE1-A
Wavlink WL-WN530BE1-A Unauthenticated OS Command Injection in ioos protocol.csp ovpn_file Handler
CVSS 4.0
9.3Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Wavlink | WL-WN530BE1-A | M30BE1_V251117 | CVEProject cvelistV5 (CNA) |
References and advisories
2- https://github.com/F-yyjy/cve/blob/main/WN530BE1(en).md third-party-advisoryexploit
- https://www.vulncheck.com/advisories/wavlink-wl-wn530be1-a-unauthenticated-os-command-injection-in-ioos-protocol-csp-ovpn-file-handler third-party-advisory
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Details
- Published
- 2026-10-20
- Last updated
- 2026-10-21
- State
- Published
- Assigner (CNA)
- VulnCheck
- Kolun priority
- 46 · Medium
Exploit prediction (EPSS)
3.47%
Probability of exploitation in 30 days
89%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')