CVE-2026-8263 Tenda AC6 httpd WifiExtraSet fromSetWirelessRepeat os command injection
Remote attackers can execute arbitrary OS commands on Tenda AC6 routers via the WifiExtraSet interface, requiring immediate attention from network administrators.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8263?
CVE-2026-8263 is a medium-severity command injection vulnerability in Tenda AC6, published on 11 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-8263?
It affects 1 product.
Products include Tenda Ac10u Firmware.
How do I fix CVE-2026-8263?
No fix has been published for CVE-2026-8263 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-8263 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8263 exists.
Other vulnerabilities in Tenda AC6
- CVE-2024-2763 Tenda AC10U setcfm formSetCfm stack-based overflow
- CVE-2024-2764 Tenda AC10U SetPptpServerCfg formSetPPTPServer stack-based overflow
- CVE-2024-2703 Tenda AC10U SetOnlineDevName formSetDeviceName stack-based overflow
- CVE-2024-2704 Tenda AC10U SetFirewallCfg formSetFirewallCfg stack-based overflow
- CVE-2024-2705 Tenda AC10U SetNetControlList formSetQosBand stack-based overflow
Sources
Also known as GHSA-49r7-qrrc-gw83.