CVE-2026-15513

MEDIUM 6.3

Wavlink WL-NU516U1 adm.cgi wlink_uci_set_value os command injection

CVSS Score

6.3

EPSS Score

1.4%

EPSS Percentile

70th

A security flaw has been discovered in Wavlink WL-NU516U1 260515. This affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lan_ip results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. You should 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.

CWE	CWE-78 CWE-77
Vendor	wavlink
Product	wl-nu516u1
Published	Jul 12, 2026
Last Updated	Jul 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Wavlink / WL-NU516U1

260515

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/377842 vuldb.com: https://vuldb.com/vuln/377842/cti vuldb.com: https://vuldb.com/cve/CVE-2026-15513 vuldb.com: https://vuldb.com/submit/847517 github.com: https://github.com/0xcc12138/wavlink-nu516u1-csrf-command-injection- dl.wavlink.com: https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.bin

Credits

🔍 0xcc12138 (VulDB User) VulDB CNA Team