CVE-2026-24426: Tenda AC7 Reflected XSS via Web Interface Output Encoding

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-03 · updated 2026-06-17
Weakness: CWE-79

Description

Shenzhen Tenda AC7 firmware version V03.03.03.01_cn and prior contain an improper output encoding vulnerability in the web management interface. User-supplied input is reflected in HTTP responses without adequate escaping, allowing injection of arbitrary HTML or JavaScript in a victim’s browser context.

Affected products

Tenda AC7: through 03.03.03.01

References

https://www.tendacn.com/product/AC7
https://www.vulncheck.com/advisories/tenda-ac7-reflected-xss-via-web-interface-output-encoding

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