PatchSiren cyber security CVE debrief
CVE-2026-120228 WAVLINK CVE debrief
A vulnerability was found in WAVLINK WN553X1-B V260403_2.0.0, affecting the ioos Service. The issue allows for os command injection via manipulation of the group_id/group_name argument. The attack can be executed remotely. The exploit has been published and may be used. This vulnerability has significant implications for defenders who need to assess exposure and prioritize verification of remote exploitation feasibility. The ioos Service is impacted, and the vulnerability class is related to command injection. The source confidence is limited, and the review context is crucial for understanding the vulnerability.
- Vendor
- WAVLINK
- Product
- WN553X1-B
- CVSS
- HIGH 8.6
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-11-01
- Original CVE updated
- 2026-11-01
- Advisory published
- 2026-11-01
- Advisory updated
- 2026-11-01
Who should care
Defenders responsible for WAVLINK WN553X1-B V260403_2.0.0 devices should assess exposure and prioritize verification of remote exploitation feasibility. This includes operators, platform administrators, vulnerability management teams, and security teams who need to understand the potential impact on their systems and take appropriate measures to mitigate the risk. The vulnerability's operational impact is significant, as it could lead to os command injec
Why it matters
Defenders should prioritize verifying exposure of WAVLINK WN553X1-B V260403_2.0.0 devices to this vulnerability and assess the feasibility of remote exploitation.
- Remote exploitation could lead to os command injection
- Verification of exposure and exploitation feasibility is necessary
- Monitoring for published exploits and vendor updates is recommended
Technical summary
The vulnerability affects the ioos Service in WAVLINK WN553X1-B V260403_2.0.0 and allows for os command injection via manipulation of the group_id/group_name argument. This technical issue arises from improper input validation in the ioos Service, which can be exploited remotely. The vulnerability has a high CVSS score of 8.6, indicating a significant risk to affected systems. Defenders should focus on verifying exposure and assessing the feasibility of remote exploitation. The technical impact is substantial, as it allows for potential system compromise.
Defensive priority
Defenders should prioritize verifying exposure of WAVLINK WN553X1-B V260403_2.0.0 devices to this vulnerability and assess the feasibility of remote exploitation.
Recommended defensive actions
- Verify exposure of WAVLINK WN553X1-B V260403_2.0.0 devices to this vulnerability
- Assess the feasibility of remote exploitation
- Monitor for published exploits and updates from the vendor
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record and NVD entry provide details on the vulnerability. However, the vendor's response and patch status are unknown. The evidence is limited, and defenders should verify the exposure of WAVLINK WN553X1-B V260403_2.0.0 devices to this vulnerability. The CVE Program record and NVD detail page offer official information, but additional verification is necessary due to the limited source detail.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-120228 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-120228
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-120228 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-120228
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://github.com/senxitoyshuyi-ui/IOT-CVE/blob/main/vulns/WAVLINK%20WN553X1-B%20Router.md
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Source reference
Unverified legacy reference
URL: https://vuldb.com/cve/CVE-2026-120228
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Source reference
Unverified legacy reference
URL: https://vuldb.com/submit/919151
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Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/429587
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Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/429587/cti
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.