Vulnerability details
CVE-2026-120229
Wavlink WN553X1-B
WAVLINK WN553X1-B ioos sub_416B50 os command injection
CVSS 4.0
9.4Critical
Official description
A vulnerability has been found in WAVLINK WN553X1-B 260403_2.0.0. This issue affects the function sub_416B50 of the file /bin/ioos. The manipulation of the argument file_id leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.4Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 9.1Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 9.1Critical | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 8.3High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Wavlink | WN553X1-B | 260403_2.0.0 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://vuldb.com/vuln/429588 vdb-entrytechnical-description
- https://vuldb.com/vuln/429588/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-120229 third-party-advisory
- https://vuldb.com/submit/919153 third-party-advisory
- https://github.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK_WN553X1-B_check_pwd_command_injection.md exploit
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Details
- Published
- 2026-11-01
- Last updated
- 2026-11-05
- State
- Published
- Assigner (CNA)
- VulDB
- Kolun priority
- 46 · Medium
Exploit prediction (EPSS)
2.82%
Probability of exploitation in 30 days
86.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78OS Command Injection
- CWE-77Command Injection