High [CVE-2026-116839] malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Site Request Forgery (CSRF) vulnerability found in airMAX M devices to make unauthorized changes and execute a Denial of Service (DoS) attack on the device
This high-severity Ubiquiti advisory covers CVE-2026-116839 affecting airMAX M.
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Summary
A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Site Request Forgery (CSRF) vulnerability found in airMAX M devices to make unauthorized changes and execute a Denial of Service (DoS) attack on the device.
- airMAX M before 6.3.26
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
Mitigation
Upgrade to a fixed release: 6.3.26. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
More Ubiquiti advisories
- CVE-2026-116838Oct 27, 2026malicious actor who lures an authenticated user to a malicious page could exploit
- CVE-2026-116837Oct 27, 2026malicious actor with access to the adjacent network could exploit a Heap-based Buffer
- CVE-2026-116836Oct 27, 2026malicious actor with access to the adjacent network and under certain conditions could
- CVE-2026-21639Jan 8, 2026airMAX AC: malicious actor in Wi-Fi range of the affected product
- CVE-2026-119251Oct 29, 2026malicious actor with local access and high privileges could exploit an Improper Access
- CVE-2026-119250Oct 29, 2026malicious actor with local access and low privileges could exploit an External Control
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