CVE-2026-120238: critical vulnerability in WAVLINK WN553X1-B
WAVLINK WN553X1-B ovpn_file ioos sub_4162A8 os command injection
Published
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48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.4epss 1.7%
A vulnerability has been found in WAVLINK WN553X1-B 260403_2.0.0. This affects the function sub_4162A8 of the file /bin/ioos of the component ovpn_file Handler. Such manipulation of the argument file_id leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
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
Affected products
WAVLINK · WN553X1-Bpublic PoCs found — 1
cve_referencegithub.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK%20WN553X1-B%20Router/WAVLINK_WN553X1-B_ovpn_file_command_injection.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — WAVLINK WN553X1-B
In the same product, most dangerous first.
CVE-2026-120229CRITICALWAVLINK WN553X1-B ioos sub_416B50 os command injectionEPSS 2.8%CVE-2026-120240CRITICALWAVLINK WN553X1-B WireGuard CLI Group ioos sub_41A748 os command injectionEPSS 1.7%CVE-2026-120239CRITICALWAVLINK WN553X1-B WireGuard CLI ioos sub_419DA8 os command injectionEPSS 1.7%CVE-2026-120231CRITICALWAVLINK WN553X1-B OpenVPN CLI ioos sub_416568 os command injectionEPSS 1.7%CVE-2026-120228CRITICALWAVLINK WN553X1-B ioos Service sub_416D88 os command injectionEPSS 1.7%