PT-2026-25538 · Wavlink · Wl-Wn578W2

Ltzhust · Published 2026-03-14 · Updated 2026-03-16 · CVE-2026-4164

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Wavlink WL-WN578W2 221110 (affected versions not specified)

Description A flaw exists in the Wavlink WL-WN578W2 221110 device. The issue impacts the Delete Mac list/SetName/GuestWifi function within the /cgi-bin/wireless.cgi file, part of the POST Request Handler component. A manipulation of this component can lead to command injection, and the attack can be launched remotely. The exploit for this issue has been published.

Recommendations Upgrade the affected component.

Exploit

Fix

RCE

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

BDU:2026-05169

CVE-2026-4164

Affected Products

Wl-Wn578W2

References · 19

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_2/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4164 · Security Note
• https://dl.wavlink.com/firmware/RD/WINSTAR_WN578W2-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin · Patch
• https://bdu.fstec.ru/vul/2026-05169 · Security Note
• https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_1/README.md · Note
• https://twitter.com/TheHackerWire/status/2033618794414018968 · Twitter Post
• https://twitter.com/cyberbivash/status/2033081023597015171 · Twitter Post
• https://t.me/CVEtracker/47411 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2033553952856277029 · Twitter Post
• https://vuldb.com/?id.351071 · Note
• https://vuldb.com/?submit.768293 · Note
• https://dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin · Note
• https://twitter.com/0dayPublishing/status/2033025146580021723 · Twitter Post
• https://vuldb.com/?submit.768294 · Note
• https://vuldb.com/?ctiid.351071 · Note