Vulnerability details
CVE-2026-120228
Wavlink WN553X1-B
WAVLINK WN553X1-B ioos Service sub_416D88 os command injection
CVSS 4.0
9.4Critical
Official description
A flaw has been found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the function sub_416D88 of the file /bin/ioos of the component ioos Service. Executing a manipulation of the argument group_id/group_name can lead to os command injection. The attack can be executed remotely. The exploit has been published 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:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P |
| 9.9Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 9.9Critical | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R |
| 9.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Wavlink | WN553X1-B | V260403_2.0.0 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://vuldb.com/vuln/429587 vdb-entrytechnical-description
- https://vuldb.com/vuln/429587/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-120228 third-party-advisory
- https://vuldb.com/submit/919151 third-party-advisory
- https://github.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK%20WN553X1-B%20Router.md exploit
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Details
- Published
- 2026-11-01
- Last updated
- 2026-11-02
- State
- Published
- Assigner (CNA)
- VulDB
- Kolun priority
- 43 · Medium
Exploit prediction (EPSS)
1.65%
Probability of exploitation in 30 days
76.6%
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