Critical severity · published Oct 13, 2026
CVE-2026-109108
Wavlink WL-WN530BE1-A uploadVpn.cgi popen os command injection
9.9
CVSS
1.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WL
WL-WN530BE1-A · Wavlink
251117 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109108
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109108
vdb-entry
https://vuldb.com/vuln/416859
signature
https://vuldb.com/vuln/416859/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-109108
third-party-advisory
https://vuldb.com/submit/909182
broken-link
https://gist.github.com/Rauzk/0a61823f0033441142dc1c3f4a776e7c
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