WAVLINK WN553X1-B 260403_2.0.0 /bin/ioos sub_416B50 file_id os command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.3 | $0-$5k | 1.45 |
Summary
A vulnerability described as very critical has been identified in WAVLINK WN553X1-B 260403_2.0.0. Impacted is the function sub_416B50 of the file /bin/ioos. The manipulation of the argument file_id results in os command injection.
This vulnerability was named CVE-2026-120229. The attack may be performed from remote. In addition, an exploit is available.
The vendor was contacted early about this disclosure.
Details
A vulnerability classified as very critical has been found in WAVLINK WN553X1-B 260403_2.0.0. Affected is the function sub_416B50 of the file /bin/ioos. The manipulation of the argument file_id with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-120229. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are necessary for exploitation. Technical details and a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/31/2026). The MITRE ATT&CK project declares the attack technique as T1202.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.1VulDB Meta Temp Score: 8.3
VulDB Base Score: 9.1
VulDB Temp Score: 8.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Os command injectionCWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
10/31/2026 Advisory disclosed10/31/2026 VulDB entry created
10/31/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CNA: VulDB
CVE: CVE-2026-120229 (🔒)
GCVE (CVE): GCVE-0-2026-120229
GCVE (VulDB): GCVE-100-429588
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/31/2026 20:41Updated: 10/31/2026 20:43
Changes: 10/31/2026 20:41 (23), 10/31/2026 20:42 (34), 10/31/2026 20:43 (1)
Complete: 🔍
Cache ID: 216::103
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