Public vulnerability disclosure

CVE-2026-120228

WAVLINK WN553X1-B ioos Service sub_416D88 os command injection

publishedCWE-78CWE-77

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.

Technical severity9.4 criticalCVSS 4.0 · CNA: VulDB
Published2026-11-01Source updated 2026-11-02
Collected2026-11-023 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
WN553X1-B
WAVLINK
V260403_2.0.0 (affected) CNA: VulDB

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 9.4
critical
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:PCNA: VulDB
3.1 / 9.9
critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:RCNA: VulDB
3.0 / 9.9
critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:RCNA: VulDB
2.0 / 9.0
critical
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:URCNA: VulDB
4.0 / 8.6
high
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD: [email protected]
3.1 / 9.9
critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HNVD: [email protected]
2.0 / 9.0
high
AV:N/AC:L/Au:S/C:C/I:C/A:CNVD: [email protected]

Exploit evidence

References

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