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CVE-2026-1637

🗓️ 29 Jan 2026 22:32:07Reported by VulDBType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

CVE-2026-1637 affects Tenda AC21; stack overflow in fromAdvSetMacMtuWan enables remote exploitation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-1637
29 Jan 202622:32
attackerkb
Circl
CVE-2026-1637
29 Jan 202619:41
circl
CNNVD
Tenda AC21 security vulnerabilities
29 Jan 202600:00
cnnvd
Cvelist
CVE-2026-1637 Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow
29 Jan 202622:32
cvelist
NVD
CVE-2026-1637
29 Jan 202623:16
nvd
Positive Technologies
PT-2026-5370
29 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2026-1637
31 Jan 202603:19
redhatcve
Vulnrichment
CVE-2026-1637 Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow
29 Jan 202622:32
vulnrichment
NVD
Vulners
Node
tendaac21_firmwareMatch16.03.08.16
AND
tendaac21Match-
[
  {
    "vendor": "Tenda",
    "product": "AC21",
    "versions": [
      {
        "version": "16.03.08.16",
        "status": "affected"
      }
    ],
    "cpes": [
      "cpe:2.3:o:tenda:ac21_firmware:*:*:*:*:*:*:*:*"
    ]
  }
]

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23 Feb 2026 09:07Current
6.2Medium risk
Vulners AI Score6.2
CVSS 48.7
CVSS 3.18.8
CVSS 29
CVSS 38.8
EPSS0.00044
SSVC
8