CVE-2025-6886
HIGHTenda AC5 15.03.06.47 - Stack-Based Buffer Overflow via schedStartTime/schedEndTime
Title source: llmDescription
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.
References (7)
Core 7
Core References
Product product
https://www.tenda.com.cn/
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.314365
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.314365
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.603774
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.603775
Exploit, Third Party Advisory related
https://lavender-bicycle-a5a.notion.site/Tenda-AC5-setSchedWifi_schedEndTime-21d53a41781f80fb8a90f08898e8d404?source=copy_link
Exploit, Third Party Advisory exploit
https://lavender-bicycle-a5a.notion.site/Tenda-AC5-setSchedWifi_schedStartTime-21d53a41781f803f97eeddd9828c5c84?source=copy_link
Scores
CVSS v3
8.8
EPSS
0.0157
EPSS Percentile
81.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-121
Status
published
Products (1)
tenda/ac5_firmware
15.03.06.47
Published
Jun 30, 2025
Tracked Since
Feb 18, 2026