VDB-127104 · CVE-2018-19537 · GCVE-0-2018-19537

TP-LINK Archer C5 up to V2_160201_US Configuration File wan_dyn_hostname unrestricted upload

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in TP-LINK Archer C5 up to V2_160201_US. Affected is an unknown function of the component Configuration File. The manipulation of the argument wan_dyn_hostname results in unrestricted upload. This vulnerability is cataloged as CVE-2018-19537. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in TP-LINK Archer C5 up to V2_160201_US. It has been classified as critical. Affected is an unknown code block of the component Configuration File. The manipulation of the argument wan_dyn_hostname with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

TP-Link Archer C5 devices through V2_160201_US allow remote command execution via shell metacharacters on the wan_dyn_hostname line of a configuration file that is encrypted with the 478DA50BF9E3D2CF key and uploaded through the web GUI by using the web admin account. The default password of admin may be used in some cases.

The bug was discovered 11/26/2018. The weakness was shared 11/26/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-19537 since 11/25/2018. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1608.002.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

TP-LINK

Name

Archer C5

Version

V2_160201_US

License

commercial

Website

Vendor: https://www.tp-link.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

11/25/2018 🔍
11/25/2018 +0 days 🔍
11/26/2018 +1 days 🔍
11/26/2018 +0 days 🔍
11/26/2018 +0 days 🔍
04/14/2020 +505 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: github.com
Status: Not defined

CVE: CVE-2018-19537 (🔍)
GCVE (CVE): GCVE-0-2018-19537
GCVE (VulDB): GCVE-100-127104

Entryinfo

Created: 11/26/2018 09:54
Updated: 04/14/2020 17:57
Changes: 11/26/2018 09:54 (56), 04/14/2020 17:57 (1)
Complete: 🔍
Cache ID: 216::103