CVE-2025-6886: Tenda AC5 openSchedWifi stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-30 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

Tenda AC5: 15.03.06.47

References

https://lavender-bicycle-a5a.notion.site/Tenda-AC5-setSchedWifi_schedEndTime-21d53a41781f80fb8a90f08898e8d404?source=copy_link
https://lavender-bicycle-a5a.notion.site/Tenda-AC5-setSchedWifi_schedStartTime-21d53a41781f803f97eeddd9828c5c84?source=copy_link
https://vuldb.com/?ctiid.314365
https://vuldb.com/?id.314365
https://vuldb.com/?submit.603774
https://vuldb.com/?submit.603775
https://www.tenda.com.cn/

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