Details of VAR-202311-0659

ID

VAR-202311-0659

CVE

CVE-2023-39471

TITLE

TP-LINK Technologies of TL-WR841N firmware and TL-WR840N Command injection vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2023-029578

DESCRIPTION

TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ated_tp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21825. TP-LINK Technologies of TL-WR841N firmware and TL-WR840N Firmware contains a command injection vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 2.25

sources: NVD: CVE-2023-39471 // JVNDB: JVNDB-2023-029578 // ZDI: ZDI-23-1624

AFFECTED PRODUCTS

vendor:	tp link	model:	tl-wr841n	scope:	-	version:	-	Trust: 1.5
vendor:	tp link	model:	tl-wr841n	scope:	lt	version:	231119	Trust: 1.0
vendor:	tp link	model:	tl-wr840n	scope:	lt	version:	231121	Trust: 1.0
vendor:	tp link	model:	tl-wr840n	scope:	-	version:	-	Trust: 0.8

sources: ZDI: ZDI-23-1624 // JVNDB: JVNDB-2023-029578 // NVD: CVE-2023-39471

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com:	CVE-2023-39471
value:	HIGH
Trust: 1.0
nvd@nist.gov:	CVE-2023-39471
value:	HIGH
Trust: 1.0
NVD:	CVE-2023-39471
value:	HIGH
Trust: 0.8
ZDI:	CVE-2023-39471
value:	HIGH
Trust: 0.7

zdi-disclosures@trendmicro.com:	CVE-2023-39471
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.6
impactScore:	5.9
version:	3.0
Trust: 1.0
nvd@nist.gov:	CVE-2023-39471
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2023-39471
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8
ZDI:	CVE-2023-39471
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.6
impactScore:	5.9
version:	3.0
Trust: 0.7

sources: ZDI: ZDI-23-1624 // JVNDB: JVNDB-2023-029578 // NVD: CVE-2023-39471 // NVD: CVE-2023-39471

PROBLEMTYPE DATA

problemtype:	CWE-78	Trust: 1.0
problemtype:	CWE-77	Trust: 1.0
problemtype:	Command injection (CWE-77) [NVD evaluation ]	Trust: 0.8
problemtype:	OS Command injection (CWE-78) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2023-029578 // NVD: CVE-2023-39471

PATCH

title:

Fixed in firmware:TL-WR841N(US)_V14_231119:#FirmwareTL-WR840N(KR)_V6.20_231121:https://www.tp-link.com/kr/support/download/tl-wr840n/#Firmware

url:

https://www.tp-link.com/us/support/download/tl-wr841n/v14/

Trust: 0.7

sources: ZDI: ZDI-23-1624

EXTERNAL IDS

db:	NVD	id:	CVE-2023-39471	Trust: 3.3
db:	ZDI	id:	ZDI-23-1624	Trust: 2.5
db:	JVNDB	id:	JVNDB-2023-029578	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-21825	Trust: 0.7

sources: ZDI: ZDI-23-1624 // JVNDB: JVNDB-2023-029578 // NVD: CVE-2023-39471

REFERENCES

url:	https://www.zerodayinitiative.com/advisories/zdi-23-1624/	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2023-39471	Trust: 0.8
url:	https://www.tp-link.com/us/support/download/tl-wr841n/v14/	Trust: 0.7
url:	https://www.tp-link.com/kr/support/download/tl-wr840n/	Trust: 0.7

sources: ZDI: ZDI-23-1624 // JVNDB: JVNDB-2023-029578 // NVD: CVE-2023-39471

CREDITS

Theori

Trust: 0.7

sources: ZDI: ZDI-23-1624

SOURCES

db:	ZDI	id:	ZDI-23-1624
db:	JVNDB	id:	JVNDB-2023-029578
db:	NVD	id:	CVE-2023-39471

LAST UPDATE DATE

2025-08-15T23:02:45.560000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-23-1624	date:	2023-12-05T00:00:00
db:	JVNDB	id:	JVNDB-2023-029578	date:	2025-08-13T01:07:00
db:	NVD	id:	CVE-2023-39471	date:	2025-08-12T15:45:58.070

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-23-1624	date:	2023-11-14T00:00:00
db:	JVNDB	id:	JVNDB-2023-029578	date:	2025-08-13T00:00:00
db:	NVD	id:	CVE-2023-39471	date:	2024-05-03T03:15:12.903