CVE-2026-13538

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.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.bin
https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid2g2-command-injection
https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid5g2-command-injection
https://vuldb.com/cve/CVE-2026-13538
https://vuldb.com/submit/834019
https://vuldb.com/submit/834021
https://vuldb.com/submit/834022
https://vuldb.com/submit/834023
https://vuldb.com/vuln/374546
https://vuldb.com/vuln/374546/cti

Configurations

No configuration.

History

29 Jun 2026, 06:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 06:16

Updated : 2026-06-29 18:46

NVD link : CVE-2026-13538

Mitre link : CVE-2026-13538

CVE.ORG link : CVE-2026-13538

JSON object : View

Products Affected

No product.

CWE

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')

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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."}], "lastModified": "2026-06-29T18:46:31.617", "sourceIdentifier": "cna@vuldb.com"}