CVE-2026-13538CWE-74CWE-77

Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection

Medium · published June 29, 2026

CVSS v4.0
5.3
EPSS
2%
Percentile
82.2
In the wild
Unconfirmed
What it is

A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.02178 · 82.2th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-06-29T05:15Z
EPSS history
Timeline
  • 29 JUN 05:15Z
    Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection
    cvelistv5