CVE intelligence and bounded remediation

CVE-2026-8263 — A security flaw has been discovered in Tenda AC6 15.03.06.49_multi_TDE01

Critical CVSS 9.8

A security flaw has been discovered in Tenda AC6 15.03.06.49_multi_TDE01. Affected is the function fromSetWirelessRepeat of the file /goform/WifiExtraSet of the component httpd. Performing a manipulation of the argument mac/ssid results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

Severity
Critical
CVSS
9.8 (3.1)
Published
2026-05-11
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-77, CWE-78, CWE-787

Affected products

  • tenda / ac10u_firmware / 15.03.06.49_multi_tde01

Matched remediation archetype

Command, code, expression, and template injection

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Check exposure

  • Trace untrusted values to process execution, interpreters, evaluators, template engines, dynamic imports, and administrative scripting features.
  • Determine whether the affected path is reachable across each trust boundary and which service account or host privilege it inherits.
  • Review configuration for optional execution features, unsafe compatibility modes, and shell invocation.

Remediate safely

  • Replace string-built commands or evaluated code with fixed operations and structured argument APIs that do not invoke a shell.
  • Use strict allowlists for operation identifiers and reject unexpected input before it reaches any interpreter.
  • Update the affected component and add inert regression tests covering metacharacters, encoding variants, and alternate request paths.

Authoritative sources

Complete CVE record and remediation plan

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