PT-2026-8303 · Wavlink · Wavlink Wl-Wn579A3

Kdb3169 · Published 2026-01-28 · Updated 2026-02-18 · CVE-2026-2529

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-WN579A3 versions up to 20210219

Description A security flaw exists in Wavlink WL-WN579A3. The issue is due to command injection within the DeleteMac function located in the /cgi-bin/wireless.cgi file. Manipulation of the delete list argument can lead to remote code execution. The vendor was contacted regarding this issue but did not respond.

Recommendations Versions up to 20210219 should be updated when a fix becomes available. As a temporary workaround, restrict access to the /cgi-bin/wireless.cgi file. Avoid manipulating the delete list argument.

Exploit

Fix

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

BDU:2026-02350

CVE-2026-2529

Affected Products

Wavlink Wl-Wn579A3

References · 12

• 🔥 https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/DeleteMac.md · Exploit
• https://osv.dev/vulnerability/CVE-2026-2529 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02350 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-2529 · Security Note
• https://vuldb.com/?id.346117 · Note
• https://twitter.com/SecAideInfo/status/2024071046094266601 · Twitter Post
• https://t.me/cveNotify/152079 · Telegram Post
• https://twitter.com/CVEarity/status/2023301735931101349 · Twitter Post
• https://vuldb.com/?submit.748076 · Note
• https://twitter.com/VulmonFeeds/status/2023226794728439820 · Twitter Post
• https://vuldb.com/?ctiid.346117 · Note
• https://t.me/CVEtracker/44784 · Telegram Post