CVE-2026-1420

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-1420
A flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md Exploit Third Party Advisory
https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#poc Exploit
https://vuldb.com/?ctiid.342836 Permissions Required VDB Entry
https://vuldb.com/?id.342836 Third Party Advisory VDB Entry
https://vuldb.com/?submit.736559 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:ac23_firmware:16.03.07.52:*:*:*:*:*:*:*
cpe:2.3:h:tenda:ac23:-:*:*:*:*:*:*:*
History

28 Jan 2026, 14:44

Type Values Removed Values Added
First Time Tenda
Tenda ac23 Firmware
Tenda ac23
CPE cpe:2.3:h:tenda:ac23:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac23_firmware:16.03.07.52:*:*:*:*:*:*:*
References () https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md - () https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md - Exploit, Third Party Advisory
References () https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#poc - () https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow_WifiExtraSet/Tenda%20AC23_Buffer_Overflow_WifiExtraSet.md#poc - Exploit
References () https://vuldb.com/?ctiid.342836 - () https://vuldb.com/?ctiid.342836 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.342836 - () https://vuldb.com/?id.342836 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.736559 - () https://vuldb.com/?submit.736559 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product

26 Jan 2026, 06:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-26 06:16

Updated : 2026-01-28 14:44

NVD link : CVE-2026-1420

Mitre link : CVE-2026-1420

CVE.ORG link : CVE-2026-1420

JSON object : View

Products Affected

tenda

  • ac23
  • ac23_firmware
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')