CVE-2026-120278Medium· 5.3▾ TwilightPoC availableA vulnerability was detected in WAVLINK WN536AX6-A V260507_2.0.0. Impacted is the function sub_416d48/sub_41a7c0 of the file /bin/ioos of the component VPN Client List Handler. Performing a manipulation of the argument opt results in mis…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 29.2 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.4%
A vulnerability was detected in WAVLINK WN536AX6-A V260507_2.0.0. Impacted is the function sub_416d48/sub_41a7c0 of the file /bin/ioos of the component VPN Client List Handler. Performing a manipulation of the argument opt results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
WN536AX6-A V260507_2.0.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-120276Critical· 10.0WAVLINK WN536AX6-A Web Management ioos sub_416760 os command injection
CVE-2026-120282Critical· 9.9WAVLINK WN536AX6-A protocol.csp host_black os command injection
CVE-2026-120279Critical· 10.0WAVLINK WN536AX6-A openvpn_cli protocol.csp os command injection
CVE-2026-120281Critical· 10.0WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow
CVE-2026-120277Critical· 10.0WAVLINK WN536AX6-A WireGuard CLI Group ioos sub_41a1d8 os command injection
CVE-2022-22576High· 8.1An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials …