CVE-2026-0640
HIGH EPSS 85.6%
Published Jan 6, 20265mo ago · Modified Jun 17, 20262w ago
7.4 CVSS 4.0
Published Jan 6, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
85.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 2
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-120
Affected Products 2
References 6
- github.com https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md
- github.com https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md#poc
- vuldb.com https://vuldb.com/?ctiid.339683
- vuldb.com https://vuldb.com/?id.339683
- vuldb.com https://vuldb.com/?submit.731772
- tenda.com.cn https://www.tenda.com.cn/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.