CVE-2026-8263: Tenda AC6 httpd WifiExtraSet fromSetWirelessRepeat os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-11 · updated 2026-07-23
Weakness: CWE-77

Description

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.

Affected products

Tenda AC10U: 15.03.06.49_multi_tde01

References

https://github.com/yaoyue123/iot/blob/main/Tenda/AC10U/fromSetWirelessRepeat.md
https://vuldb.com/submit/810074
https://vuldb.com/vuln/362560
https://vuldb.com/vuln/362560/cti
https://www.tenda.com.cn/

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