RCE in Tenda Ac10u

CVE-2026-8263

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.050 (92.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-8263: fell from 0.087 to 0.050.

EPSS over last 30 days · oldest: 0.087 · newest: 0.050 · change: -0.037

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8263?
CVE-2026-8263 is a medium-severity vulnerability in Tenda Ac10u, classified under Command Injection. CVSS score: 4.7/10. Published 2026-05-11.
How severe is CVE-2026-8263?
Medium severity. CVSS v3 base score is 4.7 out of 10.