PT-2026-8301 · Wavlink · Wavlink Wl-Wn579A3

Kdb3169 · Published 2026-02-16 · Updated 2026-02-16 · CVE-2026-2527

Positive Technologies · (AI Summary)

CVSS v2.0

6.5

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Wavlink WL-WN579A3 versions up to 20210219

Description A command injection issue exists in the file

/cgi-bin/login.cgi

. Manipulating the

key

argument can allow for remote code execution. The vulnerability has been publicly disclosed. The vendor was notified but did not respond.

Recommendations Update Wavlink WL-WN579A3 to a version later than 20210219. As a temporary workaround, restrict access to the

/cgi-bin/login.cgi

file. Avoid using the

key

parameter in the

/cgi-bin/login.cgi

endpoint until the issue is resolved.

Exploit

Fix

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

CVE-2026-2527

Affected Products

Wavlink Wl-Wn579A3

References · 7

• 🔥 https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/login.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-2527 · Security Note
• https://vuldb.com/?id.346115 · Note
• https://vuldb.com/?submit.748074 · Note
• https://t.me/cveNotify/152077 · Telegram Post
• https://vuldb.com/?ctiid.346115 · Note
• https://twitter.com/CVEarity/status/2023296178948112430 · Twitter Post