A vulnerability was found in WAVLINK WN551X3-A M51X3_V251020-WO-182e965. This impacts the function sub_41a430 of the file /bin/ioos of the component DNS Resolution Handler. Performing a manipulation of the argument data results in os command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.
History

Fri, 06 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 02 Nov 2026 05:30:00 +0000

Type Values Removed Values Added
Description A vulnerability was found in WAVLINK WN551X3-A M51X3_V251020-WO-182e965. This impacts the function sub_41a430 of the file /bin/ioos of the component DNS Resolution Handler. Performing a manipulation of the argument data results in os command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.
Title WAVLINK WN551X3-A DNS Resolution ioos sub_41a430 os command injection
First Time appeared Wavlink
Wavlink wn551x3-a
Weaknesses CWE-77
CWE-78
CPEs cpe:2.3:a:wavlink:wn551x3-a:*:*:*:*:*:*:*:*
Vendors & Products Wavlink
Wavlink wn551x3-a
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 10, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-11-02T05:15:16.333Z

Updated: 2026-11-05T21:30:24.203Z

Reserved: 2026-11-01T15:49:01.470Z

Link: CVE-2026-120345

cve-icon Vulnrichment

Updated: 2026-11-05T21:30:19.067Z

cve-icon NVD

Status : Deferred

Published: 2026-11-02T06:17:43.410

Modified: 2026-11-05T22:17:53.380

Link: CVE-2026-120345

cve-icon Redhat

No data.