CVE-2019-19823

Realtek SDK Information Disclosure / Code Execution

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A certain router administration interface (that includes Realtek APMIB 0.11f for Boa 0.94.14rc21) stores cleartext administrative passwords in flash memory and in a file. This affects TOTOLINK A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0; Rutek RTK 11N AP through 2019-12-12; Sapido GR297n through 2019-12-12; CIK TELECOM MESH ROUTER through 2019-12-12; KCTVJEJU Wireless AP through 2019-12-12; Fibergate FGN-R2 through 2019-12-12; Hi-Wifi MAX-C300N through 2019-12-12; HCN MAX-C300N through 2019-12-12; T-broad GN-866ac through 2019-12-12; Coship EMTA AP through 2019-12-12; and IO-Data WN-AC1167R through 2019-12-12.

Una determinada interfaz de administración de enrutador (que incluye Realtek APMIB versión 0.11f para Boa versión 0.94.14rc21), almacena contraseñas administrativas de texto sin cifrar en la memoria flash y en un archivo. Esto afecta a TOTOLINK A3002RU versiones hasta 2.0.0, A702R versiones hasta 2.1.3, N301RT versiones hasta 2.1.6, N302R versiones hasta 3.4.0, N300RT versiones hasta 3.4.0, N200RE versiones hasta 4.0.0, N150RT versiones hasta 3.4.0 y N100RE versiones hasta 3.4. 0; Rutek RTK 11N AP hasta el 12-12-2019; Sapido GR297n hasta el 12-12-2019; ROUTER CIK TELECOM MESH hasta 12-12-2019; KCTVJEJU Wireless AP hasta el 12-12-2019; Fibergate FGN-R2 hasta el 12-12-2019; Hi-Wifi MAX-C300N hasta el 12-12-2019; HCN MAX-C300N hasta el 12-12-2019; GN-866ac T-wide hasta el 12-12-2019; Coship EMTA AP hasta el 12-12-2019; y IO-Data WN-AC1167R hasta el 12-12-2019.

Realtek SDK based routers suffer from information disclosure, incorrect access control, insecure password storage, code execution, and incorrectly implemented CAPTCHA vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-16 CVE Reserved
2020-01-24 CVE Published
2024-01-03 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-522: Insufficiently Protected Credentials

CAPEC

References (6)

URL	Tag	Source
http://seclists.org/fulldisclosure/2020/Jan/36	Mailing List
https://github.com/Saturn49/wecb/blob/755ce19a493c78270c04b5aaf39664f0cddbb420/rtl819x/users/boa/apmib/apmib.h#L13	Third Party Advisory
https://sploit.tech	Third Party Advisory

URL	Date	SRC
http://opensource.actiontec.com/sourcecode/wcb3000x/wecb3000n_gpl_0.16.8.4.tgz	2024-08-05
http://packetstormsecurity.com/files/156083/Realtek-SDK-Information-Disclosure-Code-Execution.html	2024-08-05
http://seclists.org/fulldisclosure/2020/Jan/38	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Totolink Search vendor "Totolink"	A3002ru Firmware Search vendor "Totolink" for product "A3002ru Firmware"	<= 2.0.0 Search vendor "Totolink" for product "A3002ru Firmware" and version " <= 2.0.0"	-	Affected	in	Totolink Search vendor "Totolink"	A3002ru Search vendor "Totolink" for product "A3002ru"	-	-	Safe
Totolink Search vendor "Totolink"	A702r Firmware Search vendor "Totolink" for product "A702r Firmware"	<= 2.1.3 Search vendor "Totolink" for product "A702r Firmware" and version " <= 2.1.3"	-	Affected	in	Totolink Search vendor "Totolink"	A702r Search vendor "Totolink" for product "A702r"	-	-	Safe
Totolink Search vendor "Totolink"	N302r Firmware Search vendor "Totolink" for product "N302r Firmware"	<= 3.4.0 Search vendor "Totolink" for product "N302r Firmware" and version " <= 3.4.0"	-	Affected	in	Totolink Search vendor "Totolink"	N302r Search vendor "Totolink" for product "N302r"	-	-	Safe
Totolink Search vendor "Totolink"	N300rt Firmware Search vendor "Totolink" for product "N300rt Firmware"	<= 3.4.0 Search vendor "Totolink" for product "N300rt Firmware" and version " <= 3.4.0"	-	Affected	in	Totolink Search vendor "Totolink"	N300rt Search vendor "Totolink" for product "N300rt"	-	-	Safe
Totolink Search vendor "Totolink"	N200re Firmware Search vendor "Totolink" for product "N200re Firmware"	<= 4.0.0 Search vendor "Totolink" for product "N200re Firmware" and version " <= 4.0.0"	-	Affected	in	Totolink Search vendor "Totolink"	N200re Search vendor "Totolink" for product "N200re"	-	-	Safe
Totolink Search vendor "Totolink"	N150rt Firmware Search vendor "Totolink" for product "N150rt Firmware"	<= 3.4.0 Search vendor "Totolink" for product "N150rt Firmware" and version " <= 3.4.0"	-	Affected	in	Totolink Search vendor "Totolink"	N150rt Search vendor "Totolink" for product "N150rt"	-	-	Safe
Totolink Search vendor "Totolink"	N100re Firmware Search vendor "Totolink" for product "N100re Firmware"	<= 3.4.0 Search vendor "Totolink" for product "N100re Firmware" and version " <= 3.4.0"	-	Affected	in	Totolink Search vendor "Totolink"	N100re Search vendor "Totolink" for product "N100re"	-	-	Safe
Realtek Search vendor "Realtek"	Rtk 11n Ap Firmware Search vendor "Realtek" for product "Rtk 11n Ap Firmware"	<= 2019-12-12 Search vendor "Realtek" for product "Rtk 11n Ap Firmware" and version " <= 2019-12-12"	-	Affected	in	Realtek Search vendor "Realtek"	Rtk 11n Ap Search vendor "Realtek" for product "Rtk 11n Ap"	-	-	Safe
Sapido Search vendor "Sapido"	Gr297n Firmware Search vendor "Sapido" for product "Gr297n Firmware"	<= 2019-12-12 Search vendor "Sapido" for product "Gr297n Firmware" and version " <= 2019-12-12"	-	Affected	in	Sapido Search vendor "Sapido"	Gr297n Search vendor "Sapido" for product "Gr297n"	-	-	Safe
Ciktel Search vendor "Ciktel"	Mesh Router Firmware Search vendor "Ciktel" for product "Mesh Router Firmware"	<= 2019-12-12 Search vendor "Ciktel" for product "Mesh Router Firmware" and version " <= 2019-12-12"	-	Affected	in	Ciktel Search vendor "Ciktel"	Mesh Router Search vendor "Ciktel" for product "Mesh Router"	-	-	Safe
Kctvjeju Search vendor "Kctvjeju"	Wireless Ap Firmware Search vendor "Kctvjeju" for product "Wireless Ap Firmware"	<= 2019-12-12 Search vendor "Kctvjeju" for product "Wireless Ap Firmware" and version " <= 2019-12-12"	-	Affected	in	Kctvjeju Search vendor "Kctvjeju"	Wireless Ap Search vendor "Kctvjeju" for product "Wireless Ap"	-	-	Safe
Fg-products Search vendor "Fg-products"	Fgn-r2 Firmware Search vendor "Fg-products" for product "Fgn-r2 Firmware"	<= 2019-12-12 Search vendor "Fg-products" for product "Fgn-r2 Firmware" and version " <= 2019-12-12"	-	Affected	in	Fg-products Search vendor "Fg-products"	Fgn-r2 Search vendor "Fg-products" for product "Fgn-r2"	-	-	Safe
Hiwifi Search vendor "Hiwifi"	Max-c300n Firmware Search vendor "Hiwifi" for product "Max-c300n Firmware"	<= 2019-12-12 Search vendor "Hiwifi" for product "Max-c300n Firmware" and version " <= 2019-12-12"	-	Affected	in	Hiwifi Search vendor "Hiwifi"	Max-c300n Search vendor "Hiwifi" for product "Max-c300n"	-	-	Safe
Tbroad Search vendor "Tbroad"	Gn-866ac Firmware Search vendor "Tbroad" for product "Gn-866ac Firmware"	<= 2019-12-12 Search vendor "Tbroad" for product "Gn-866ac Firmware" and version " <= 2019-12-12"	-	Affected	in	Tbroad Search vendor "Tbroad"	Gn-866ac Search vendor "Tbroad" for product "Gn-866ac"	-	-	Safe
Coship Search vendor "Coship"	Emta Ap Firmwre Search vendor "Coship" for product "Emta Ap Firmwre"	<= 2019-12-12 Search vendor "Coship" for product "Emta Ap Firmwre" and version " <= 2019-12-12"	-	Affected	in	Coship Search vendor "Coship"	Emta Ap Search vendor "Coship" for product "Emta Ap"	-	-	Safe
Iodata Search vendor "Iodata"	Wn-ac1167r Firmwre Search vendor "Iodata" for product "Wn-ac1167r Firmwre"	<= 2019-12-12 Search vendor "Iodata" for product "Wn-ac1167r Firmwre" and version " <= 2019-12-12"	-	Affected	in	Iodata Search vendor "Iodata"	Wn-ac1167r Search vendor "Iodata" for product "Wn-ac1167r"	-	-	Safe
Hcn Max-c300n Project Search vendor "Hcn Max-c300n Project"	Hcn Max-c300n Firmware Search vendor "Hcn Max-c300n Project" for product "Hcn Max-c300n Firmware"	<= 2019-12-12 Search vendor "Hcn Max-c300n Project" for product "Hcn Max-c300n Firmware" and version " <= 2019-12-12"	-	Affected	in	Hcn Max-c300n Project Search vendor "Hcn Max-c300n Project"	Hcn Max-c300n Search vendor "Hcn Max-c300n Project" for product "Hcn Max-c300n"	-	-	Safe
Totolink Search vendor "Totolink"	N301rt Firmware Search vendor "Totolink" for product "N301rt Firmware"	<= 2.1.6 Search vendor "Totolink" for product "N301rt Firmware" and version " <= 2.1.6"	-	Affected	in	Totolink Search vendor "Totolink"	N301rt Search vendor "Totolink" for product "N301rt"	-	-	Safe