CVE-2026-120276

WAVLINK WN536AX6-A Web Management ioos sub_416760 os command injection

A weakness has been identified in WAVLINK WN536AX6-A V260507_2.0.0. This vulnerability affects the function sub_416760 of the file /bin/ioos of the component Web Management Interface. This manipulation of the argument group_name causes os command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

Affected

WAVLINK · WN536AX6-A

CVSS v4.0 VULDB

9.3 CRITICALCVSS: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

CVSS v3.1 VULDB

10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 VULDB

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

3.21% chance of exploitation in the next 30 days, 88th percentile

Published

2026-11-01

Proof-of-concept exploits (1)

• senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK_WN536AX6-A%20Router/WAVLINK_WN536AX6-A_openvpn…Repo stars 1★ · pushed 2026-08-24 · snapshot
  1 file

  WAVLINK_WN536AX6-A Router/WAVLINK_WN536AX6-A_openvpn_cli_group_command_injection.md

CVE references

• https://vuldb.com/cve/CVE-2026-120276ADVISORY
• https://vuldb.com/submit/919502ADVISORY
• https://vuldb.com/vuln/429620REFERENCE
• https://vuldb.com/vuln/429620/ctiREFERENCE

References

• CVE Record
• NVD entry

Related

• CVE-2026-101000
• CVE-2026-101001
• CVE-2026-101002
• CVE-2026-101072
• CVE-2026-101073
• CVE-2026-101074