CVE-2026-18590CWE-77CWE-78command-injection

CVE-2026-18590

Medium · published August 3, 2026

CVSS v3.1
6.3
EPSS
2%
Percentile
78.5
In the wild
Unconfirmed
What it is

A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested to upgrade the affected component. 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 v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01817 · 78.5th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-03T12:17Z
References (7)
https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.bin · [email protected]https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md · [email protected]https://vuldb.com/cve/CVE-2026-18590 · [email protected]https://vuldb.com/submit/850527 · [email protected]https://vuldb.com/submit/850560 · [email protected]https://vuldb.com/vuln/385418 · [email protected]https://vuldb.com/vuln/385418/cti · [email protected]
EPSS history
Timeline
  • 03 AUG 06:45Z
    Wavlink WL-NU516U1 Admin Password adm.cgi set_sys_adm os command injection
    cvelistv5