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The vulnerability of the formPing() function on Boa HTTP-servers of Tenda HG9 microprogrammed routing software allows attackers to execute arbitrary code or cause service failures.

🗓️ 29 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

The formPing() vulnerability in Boa web servers on Tenda HG9 routers enables remote arbitrary code execution or service failure via out-of-bounds memory operations.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-2909
22 Feb 202602:02
attackerkb
Circl
CVE-2026-2909
22 Feb 202603:00
circl
CNNVD
Tenda HG9 安全漏洞
22 Feb 202600:00
cnnvd
CVE
CVE-2026-2909
22 Feb 202602:02
cve
Cvelist
CVE-2026-2909 Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow
22 Feb 202602:02
cvelist
NVD
CVE-2026-2909
22 Feb 202602:16
nvd
OSV
CVE-2026-2909
22 Feb 202602:16
osv
Positive Technologies
PT-2026-21410
22 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-2909
23 Feb 202607:26
redhatcve
Vulnrichment
CVE-2026-2909 Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow
22 Feb 202602:02
vulnrichment
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29 May 2026 00:00Current
8High risk
Vulners AI Score8
CVSS 38.8
CVSS 29
EPSS0.00556
1