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The vulnerability of the fromSetIpMacBind() function in Tenda A21 router software allows a attacker to execute arbitrary code or cause a service failure.

🗓️ 18 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

Remote code execution or DoS in Tenda A21 fromSetIpMacBind() via buffer overflow.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-2871
21 Feb 202615:32
attackerkb
circl
Circl
CVE-2026-2871
24 Feb 202603:40
circl
cnnvd
CNNVD
Tenda A21 安全漏洞
21 Feb 202600:00
cnnvd
cve
CVE
CVE-2026-2871
21 Feb 202615:32
cve
cvelist
Cvelist
CVE-2026-2871 Tenda A21 SetIpMacBind fromSetIpMacBind stack-based overflow
21 Feb 202615:32
cvelist
nvd
NVD
CVE-2026-2871
21 Feb 202616:16
nvd
osv
OSV
CVE-2026-2871
21 Feb 202616:16
osv
ptsecurity
Positive Technologies
PT-2026-21380
21 Feb 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-2871
22 Feb 202619:11
redhatcve
vulnrichment
Vulnrichment
CVE-2026-2871 Tenda A21 SetIpMacBind fromSetIpMacBind stack-based overflow
21 Feb 202615:32
vulnrichment
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18 Sep 2026 00:00Current
CVSS 38.8
CVSS 29
EPSS0.00684
2