CVE-2026-0640
HIGHTenda AC23 16.03.07.52 - Buffer Overflow via PowerSaveSet Time Parameter
Title source: llmDescription
A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.339683
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.339683
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.731772
Exploit, Third Party Advisory broken-link
exploit
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md
Exploit, Third Party Advisory broken-link
exploit
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md#poc
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0299
EPSS Percentile
85.5%
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
total
Details
CWE
CWE-120
CWE-119
Status
published
Products (1)
tenda/ac23_firmware
16.03.07.52
Published
Jan 06, 2026
Tracked Since
Feb 18, 2026