Vulnerability · Published Nov 1, 2026 · Assigned by VulDB

CVE-2026-120198WAVLINK WL-WN530BE1-A protocol.csp con_check_read_finish command injection

Critical 10.0

In plain English

A critical-severity command injection in WL-WN530BE1-A from WAVLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)2.1%top 18.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in WAVLINK WL-WN530BE1-A V251117. Affected is the function con_check_read_finish of the file /protocol.csp. Such manipulation of the argument group_name/IP-FROM leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

Affected products (as reported)

Vendor	Product	Versions
WAVLINK	WL-WN530BE1-A	V251117

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-429561 | WAVLINK WL-WN530BE1-A protocol.csp con_check_read_finish command injection vdb-entry, technical-description
VDB-429561 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-120198 | CVE Analysis and Report third-party-advisory
Submit #918551 | WAVLINK WL-WN530BE1-A V251117 CWE-77 third-party-advisory
https://github.com/pipiyyb/cve/blob/main/WN530BE1.md exploit