Vulnerability · Published Oct 13, 2026 · Assigned by VulDB

CVE-2026-109108Wavlink WL-WN530BE1-A uploadVpn.cgi popen os command injection

Critical 9.9

In plain English

A critical-severity OS command injection in WL-WN530BE1-A from Wavlink. There are no confirmed reports of exploitation so far. 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: none

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in Wavlink WL-WN530BE1-A 251117. This affects the function popen of the file /cgi-bin/uploadVpn.cgi. Such manipulation of the argument Type leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

Affected products (as reported)

Vendor	Product	Versions
Wavlink	WL-WN530BE1-A	251117

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:C

References

VDB-416859 | Wavlink WL-WN530BE1-A uploadVpn.cgi popen os command injection vdb-entry, technical-description
VDB-416859 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-109108 | CVE Analysis and Report third-party-advisory
Submit #909182 | Wavlink WL-WN530BE1-A M30BE1_V251117 Command Injection third-party-advisory
https://gist.github.com/Rauzk/0a61823f0033441142dc1c3f4a776e7c broken-link, exploit