PT-2026-25511 · Wavlink · Wl-Wn579A3

Ltzhuster · Published 2026-03-14 · Updated 2026-03-16 · CVE-2026-4163

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Wavlink WL-WN579A3 version 220323

Description A vulnerability exists in Wavlink WL-WN579A3 version 220323 that allows for remote command injection. The issue affects the SetName/GuestWifi function within the /cgi-bin/wireless.cgi file of the POST Request Handler component. A manipulation of this component can lead to command injection, and the exploit is publicly available.

API Endpoints /cgi-bin/wireless.cgi

Vulnerable Parameters or Variables None explicitly mentioned.

Recommendations Upgrade the affected component to address this vulnerability.

Exploit

Fix

Special Elements Injection

Command Injection

Weakness Enumeration

CWE-74

CWE-77

Related Identifiers

BDU:2026-05168

CVE-2026-4163

Affected Products

Wl-Wn579A3

References · 16

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_10/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4163 · Security Note
• https://dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin · Patch
• https://bdu.fstec.ru/vul/2026-05168 · Security Note
• https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_9/README.md · Note
• https://twitter.com/VulmonFeeds/status/2033556512732295348 · Twitter Post
• https://twitter.com/CVEnew/status/2032998239662694463 · Twitter Post
• https://twitter.com/CveFindCom/status/2033577575935590619 · Twitter Post
• https://vuldb.com/?id.351070 · Note
• https://vuldb.com/?ctiid.351070 · Note
• https://twitter.com/TheHackerWire/status/2033604341786153455 · Twitter Post
• https://twitter.com/0dayPublishing/status/2032949648445378922 · Twitter Post
• https://t.me/CVEtracker/47405 · Telegram Post
• https://vuldb.com/?submit.765328 · Note
• https://twitter.com/cyberbivash/status/2033004041551143040 · Twitter Post