PT-2026-26974 · Wavlink · Wavlink Wl-Wn578W2

Ltzhuster + 1 · CVE-2026-4543 · Publicado 2026-03-22 · Atualizado 2026-03-23

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Wavlink WL-WN578W2 version 221110

Description A command injection issue exists in the POST Request Handler component of Wavlink WL-WN578W2 version 221110. The issue is located in the /cgi-bin/firewall.cgi file. Manipulation of the dmz flag/del flag argument can lead to command injection. The attack can be initiated remotely. The exploit has been made public. The vendor was contacted but did not respond.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Special Elements Injection

Enumeração de Fraquezas

CWE-77

CWE-74

Identificadores relacionados

CVE-2026-4543

Produtos afetados

Wavlink Wl-Wn578W2

Referências · 10

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_5/README.md · Exploit
• 🔥 https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_4/README.md · Exploit
• https://twitter.com/cyberbivash/status/2035669331330097651 · Publicação no Twitter
• https://vuldb.com/?ctiid.352360 · Nota
• https://vuldb.com/?submit.774691 · Nota
• https://twitter.com/CVEnew/status/2035992542303469887 · Publicação no Twitter
• https://twitter.com/CVEarity/status/2035714709438238769 · Publicação no Twitter
• https://vuldb.com/?submit.774690 · Nota
• https://vuldb.com/?id.352360 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-4543 · Nota de Segurança