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CVE-2026-2872

🗓️ 21 Feb 2026 16:02:10Reported by VulDBType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 77 Views🌐 WEB

CVE-2026-2872 affects Tenda A21; setBlackRule set_device_name overflow; remote exploit disclosed.

Related
Detection
Affected
Refs
Paths
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-2872
21 Feb 202616:02
–attackerkb
bdu_fstec
BDU FSTEC
Tenda A21 Router Set Device Name Code Execution
18 Sep 202600:00
–bdu_fstec
circl
Circl
CVE-2026-2872
24 Feb 202604:00
–circl
cnnvd
CNNVD
Tenda A21 security vulnerabilities
21 Feb 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-2872 Tenda A21 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based overflow
21 Feb 202616:02
–cvelist
nvd
NVD
CVE-2026-2872
21 Feb 202616:16
–nvd
osv_cve
osv_cve
CVE-2026-2872
21 Feb 202616:16
–osv_cve
ptsecurity
Positive Technologies
PT-2026-21381
21 Feb 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-2872: Stack-based Buffer Overflow
21 Feb 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-2872
22 Feb 202619:11
–redhatcve
Rows per page
NVD
Vulners
Node
AND
tendaa21_firmwareMatch1.0.0.0
tendaa21Match-
[
  {
    "vendor": "Tenda",
    "product": "A21",
    "versions": [
      {
        "version": "1.0.0.0",
        "status": "affected"
      }
    ],
    "modules": [
      "MAC Filtering Configuration Endpoint"
    ]
  }
]
ParameterPositionPathDescriptionCWE
devNamerequest body/goform/setBlackRuleStack-based buffer overflow in the set_device_name function via manipulation of devName or mac arguments.CWE-119, CWE-121
macrequest body/goform/setBlackRuleStack-based buffer overflow in the set_device_name function via manipulation of devName or mac arguments.CWE-119, CWE-121

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17 Jun 2026 10:31Current
8.5High risk
Vulners AI Score8.5
CVSS 48.7
CVSS 3.18.8
CVSS 38.8
CVSS 29
EPSS0.01146
SSVC
77