CVE-2026-8263

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.

CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0035

Probability of exploitation

0.57%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

CWE-78 OS Command Injection

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
tenda	ac10u_firmware	All
tenda	ac10u	All

References

Exploits

https://github.com/yaoyue123/iot/blob/main/Tenda/AC10U/fromSetWirelessRepeat.md

Other References

https://vuldb.com/submit/810074 https://vuldb.com/vuln/362560 https://vuldb.com/vuln/362560/cti https://www.tenda.com.cn/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2026-8263? +

CVE-2026-8263 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0035, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-8263? +

CVE-2026-8263 affects products from tenda, specifically: ac10u, ac10u_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-8263? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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