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HIGHCVE-2026-1637Published Modified CNA VulDB

CVE-2026-1637: Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow

A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Metrics

CVSS v4.0
8.7
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • Tenda / AC21
    16.03.08.16
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P