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  4. CVE 2026 120228 wavlink wn553x1 b ioos service sub416d88 os
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Back to active CVEs
Critical · CVSS 9.4CVE-2026-120228

WAVLINK WN553X1-B ioos Service sub_416D88 os command injectionCVE-2026-120228

Answer in brief

CVE-2026-120228 records a Critical severity (CVSS 9.4) vulnerability in WAVLINK WN553X1-B ioos Service sub_416D88 os command injection. The current sources do not mark it as known exploited. The current feed maps WAVLINK/WN553X1-B (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 1, 2026Updated Nov 1, 2026Source checked Nov 1, 2026First seen by HOL Nov 1, 2026Material review Nov 1, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps WAVLINK/WN553X1-B (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
WAVLINK/WN553X1-BgenericV260403_2.0.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for WAVLINK/WN553X1-B.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 1, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WAVLINK WN553X1-B ioos sub_416B50 os command injectionSame wavlink/wn553x1-b package
  • WAVLINK WN553X1-B OpenVPN CLI ioos sub_416568 os command injectionSame wavlink/wn553x1-b package
  • WAVLINK WL-WN579A3-A Initial Setup Wizard adm.cgi set_wzdgwMesh os command injectionAlso CWE-78
  • WAVLINK WN579X3-D wapi.cgi port_forward os command injectionAlso CWE-78
  • WAVLINK WL-WN530HG4B wapi.cgi port_forward os command injectionAlso CWE-78
  • WAVLINK WL-WN530BE1-A protocol.csp con_check_read_finish command injectionAlso CWE-77

Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-78, CWE-77
Source
CVE List V5
Source checked
Nov 1, 2026
References
5 linked sources
Open source record