CVE-2026-120279: critical vulnerability in WAVLINK WN536AX6-A
WAVLINK WN536AX6-A openvpn_cli protocol.csp os command injection
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 10epss 2.0%
A flaw has been found in WAVLINK WN536AX6-A V260507. The affected element is an unknown function of the file /protocol.csp of the component openvpn_cli Handler. Executing a manipulation of the argument file_id can lead to os command injection. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.
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
Affected products
WAVLINK · WN536AX6-Apublic PoCs found — 1
cve_referencegithub.com/pipiyyb/cve/blob/main/WAVLINK%20WN536AX6-A/WN536AX6-A_file_id.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — WAVLINK WN536AX6-A
In the same product, most dangerous first.
CVE-2026-120276CRITICALWAVLINK WN536AX6-A Web Management ioos sub_416760 os command injectionEPSS 3.2%CVE-2026-120277CRITICALWAVLINK WN536AX6-A WireGuard CLI Group ioos sub_41a1d8 os command injectionEPSS 2.5%CVE-2026-120280CRITICALWAVLINK WN536AX6-A WireGuard protocol.csp wireguard_cli_group handler os command injectionEPSS 2.0%CVE-2026-120282CRITICALWAVLINK WN536AX6-A protocol.csp host_black os command injectionEPSS 1.7%CVE-2026-120281CRITICALWAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflowEPSS 0.6%CVE-2026-120278MEDIUMWAVLINK WN536AX6-A VPN Client List ioos sub_41a7c0 missing authenticationEPSS 0.4%