CVE-2026-120239

HIGH
MEDIUM Priority: 0.15 BB Relevance: 68/100
Published: 2026-11-01 Modified: 2026-11-02 First seen: 2026-11-01 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

A vulnerability was found in WAVLINK WN553X1-B V260403_2.0.0. This vulnerability affects the function sub_419DA8 of the file /bin/ioos of the component WireGuard CLI Handler. Performing a manipulation of the argument file_id results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
WAVLINK WN553X1-B V260403_2.0.0
WAVLINK WN553X1-B V260403_2.0.0

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.6 / 10.0 v4.0
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:X

EPSS — Exploitation Probability

1.69%
Raw Score 0.016870
Percentile 77.1%
Date 2026-11-05

EPSS Trend

2026-11-05
0.01687
2026-11-04
0.01687
2026-11-03
0.01687
2026-11-02
0.01687

Intelligence Sources

mitre ref →
nvd ref →