CVE-2023-50986

Tenda i29 v1.0 V1.0.0.5 was discovered to contain a buffer overflow via the time parameter in the sysLogin function.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ef4tless/vuln/blob/master/iot/i29/sysLogin.md	Exploit Third Party Advisory
https://github.com/ef4tless/vuln/blob/master/iot/i29/sysLogin.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:tenda:i29_firmware:1.0.0.2:::::::*
	cpe:2.3:o:tenda:i29_firmware:1.0.0.5:::::::*

cpe:2.3:h:tenda:i29:1.0:*:*:*:*:*:*:*

History

09 Jul 2026, 01:18

Type	Values Removed	Values Added
References	~~{'url': 'http://tenda.com', 'tags': ['Product'], 'source': 'af854a3a-2127-422b-91ae-364da2661108'}~~

21 Nov 2024, 08:37

Type	Values Removed	Values Added
References	~~() http://tenda.com - Product~~	() http://tenda.com - Product
References	~~() https://github.com/ef4tless/vuln/blob/master/iot/i29/sysLogin.md - Exploit, Third Party Advisory~~	() https://github.com/ef4tless/vuln/blob/master/iot/i29/sysLogin.md - Exploit, Third Party Advisory

13 Sep 2024, 19:35

Type	Values Removed	Values Added
CWE		CWE-120

22 Dec 2023, 20:28

Type	Values Removed	Values Added
References	~~() https://github.com/ef4tless/vuln/blob/master/iot/i29/sysLogin.md -~~	() https://github.com/ef4tless/vuln/blob/master/iot/i29/sysLogin.md - Exploit, Third Party Advisory
References	~~() http://tenda.com -~~	() http://tenda.com - Product
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
CPE		cpe:2.3:o:tenda:i29_firmware:1.0.0.2:::::::* cpe:2.3:h:tenda:i29:1.0:::::::* cpe:2.3:o:tenda:i29_firmware:1.0.0.5:::::::*
First Time		Tenda Tenda i29 Tenda i29 Firmware
CWE		CWE-787

21 Dec 2023, 02:24

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-12-20 22:15

Updated : 2026-07-09 01:18

NVD link : CVE-2023-50986

Mitre link : CVE-2023-50986

CVE.ORG link : CVE-2023-50986

JSON object : View

Products Affected

tenda

i29
i29_firmware

CWE

CWE-787

Out-of-bounds Write

CWE-120

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

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