Tenda AC15 telnetd /goform/telnet access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Tenda AC15. The affected element is an unknown function of the file /goform/telnet of the component telnetd. Such manipulation leads to access control. This vulnerability is traded as CVE-2018-5770. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda AC15 (the affected version unknown). Affected by this issue is an unknown part of the file /goform/telnet of the component telnetd. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered on Tenda AC15 devices. A remote, unauthenticated attacker can make a request to /goform/telnet, creating a telnetd service on the device. This service is password protected; however, several default accounts exist on the device that are root accounts, which can be used to log in.

The bug was discovered 03/19/2018. The weakness was shared 03/20/2018 (Website). The advisory is shared for download at fidusinfosec.com. This vulnerability is handled as CVE-2018-5770 since 01/18/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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

The entry VDB-114823 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/18/2018 🔍
03/19/2018 +60 days 🔍
03/20/2018 +1 days 🔍
03/20/2018 +0 days 🔍
03/21/2018 +1 days 🔍
01/15/2020 +665 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: fidusinfosec.com
Status: Not defined

CVE: CVE-2018-5770 (🔍)
GCVE (CVE): GCVE-0-2018-5770
GCVE (VulDB): GCVE-100-114824
See also: 🔍

Entryinfo

Created: 03/21/2018 07:35
Updated: 01/15/2020 10:22
Changes: 03/21/2018 07:35 (58), 01/15/2020 10:22 (1)
Complete: 🔍
Cache ID: 216::103

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

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