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The vulnerability of the sub_40139C() function in the /cgi-bin/firewall.cgi script of the Wavlink WL-WN579X3-C router’s microprogramming system, which allows a perpetrator to compromise the confidentiality, integrity, and accessibility of protected information.

🗓️ 13 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

Buffer overflow in sub_40139C() on /cgi-bin/firewall.cgi risks confidentiality, integrity, accessibility.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3715
8 Mar 202606:32
attackerkb
Circl
CVE-2026-3715
8 Mar 202606:16
circl
CNNVD
Wavlink WL-WN579X3-C 安全漏洞
8 Mar 202600:00
cnnvd
CVE
CVE-2026-3715
8 Mar 202606:32
cve
Cvelist
CVE-2026-3715 Wavlink WL-WN579X3-C firewall.cgi sub_40139C stack-based overflow
8 Mar 202606:32
cvelist
EUVD
EUVD-2026-10221
8 Mar 202609:30
euvd
NVD
CVE-2026-3715
8 Mar 202607:16
nvd
OSV
CVE-2026-3715
8 Mar 202607:16
osv
Positive Technologies
PT-2026-23923
8 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-3715
9 Mar 202608:02
redhatcve
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13 Jul 2026 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 38.8
CVSS 29
EPSS0.00655
2