CVE-2026-120345

CRITICAL
INFO Priority: 0.18 BB Relevance: 79/100
Published: 2026-11-02 Modified: 2026-11-05 First seen: 2026-11-02 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

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.

Affected Software (2)

VendorProductVersion
WAVLINK WN551X3-A M51X3_V251020-WO-182e965
WAVLINK WN551X3-A M51X3_V251020-WO-182e965

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.3 / 10.0 v4.0
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/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:X

EPSS — Exploitation Probability

1.99%
Raw Score 0.019890
Percentile 80.7%
Date 2026-11-05

EPSS Trend

2026-11-05
0.01989
2026-11-04
0.01989
2026-11-03
0.01989

Intelligence Sources

mitre ref →
nvd ref →