VDB-156688 · CVE-2020-14074 · GCVE-0-2020-14074

TRENDnet TEW-827DRU up to 2.06B04 SSI Binary apply.cgi kick_ban_wifi_mac_allow out-of-bounds write

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in TRENDnet TEW-827DRU up to 2.06B04. This issue affects the function kick_ban_wifi_mac_allow of the file apply.cgi of the component SSI Binary. Executing a manipulation can lead to out-of-bounds write. This vulnerability appears as CVE-2020-14074. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in TRENDnet TEW-827DRU up to 2.06B04. It has been declared as critical. This vulnerability affects the function kick_ban_wifi_mac_allow of the file apply.cgi of the component SSI Binary. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action kick_ban_wifi_mac_allow with a sufficiently long qcawifi.wifi0_vap0.maclist key.

The weakness was presented 06/15/2020. This vulnerability was named CVE-2020-14074 since 06/15/2020. The attack can be initiated remotely. The successful exploitation requires a single authentication. There are known technical details, but no exploit is available.

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

See VDB-156692, VDB-156691, VDB-156690 and VDB-156689 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

TRENDnet

Name

TEW-827DRU

Version

2.06B04

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
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: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2020 🔍
06/15/2020 +0 days 🔍
06/15/2020 +0 days 🔍
06/15/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-14074 (🔍)
GCVE (CVE): GCVE-0-2020-14074
GCVE (VulDB): GCVE-100-156688
See also: 🔍

Entryinfo

Created: 06/15/2020 15:04
Updated: 06/15/2020 15:09
Changes: 06/15/2020 15:04 (38), 06/15/2020 15:09 (17)
Complete: 🔍
Cache ID: 216::103

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