Vulnerability · Published Nov 2, 2026 · Assigned by VulDB

CVE-2026-120282WAVLINK WN536AX6-A protocol.csp host_black os command injection

Critical 9.9

In plain English

A critical-severity OS command injection in WN536AX6-A from WAVLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical

Exploit odds (30 days)1.7%top 23.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was determined in WAVLINK WN536AX6-A V260507. This impacts the function host_black of the file /protocol.csp. This manipulation of the argument mac causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

Affected products (as reported)

Vendor	Product	Versions
WAVLINK	WN536AX6-A	V260507

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-429626 | WAVLINK WN536AX6-A protocol.csp host_black os command injection vdb-entry, technical-description
VDB-429626 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-120282 | CVE Analysis and Report third-party-advisory
Submit #919791 | WAVLINK WN536AX6 V260507 CWE-78 third-party-advisory
https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN536AX6-A/WN536AX6-A_mac.md exploit