VDB-220640 · Submit #87727 · CVE-2023-0782

Tenda AC23 16.03.07.45 /bin/httpd formSetSysToolDDNS/formGetSysToolDDNS 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.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Tenda AC23 16.03.07.45. This affects the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2023-0782. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was published 02/11/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-0782. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

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

Type

Router Operating System

Vendor

Tenda

Name

AC23

Version

16.03.07.45

License

commercial

Website

Vendor: https://www.tenda.com.cn/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

Researcher Base Score: 9.1
Researcher Vector: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (VulDB): 🔍

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: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

02/11/2023 🔍
02/11/2023 +0 days 🔍
02/11/2023 +0 days 🔍
03/10/2023 +27 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2023-0782 (🔍)
GCVE (CVE): GCVE-0-2023-0782
GCVE (VulDB): GCVE-100-220640
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/11/2023 18:05
Updated: 03/10/2023 09:15
Changes: 02/11/2023 18:05 (41), 02/12/2023 08:15 (5), 02/12/2023 08:19 (19), 03/10/2023 09:12 (2), 03/10/2023 09:15 (28)
Complete: 🔍
Submitter: wjp911
Committer: wjp911
Cache ID: 216::103

Submitinfo

Accepted

Submit #87727: Tenda AC23 formGetSysToolDDNS stack-based overflow (by wjp911)