VDB-249854 · Submit #260122 · CVE-2023-7220

Totolink NR1800X 9.1.0u.6279_B20210910 /cgi-bin/cstecgi.cgi loginAuth Password stack-based overflow

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.
9.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument Password leads to stack-based overflow. This vulnerability is traded as CVE-2023-7220. The attack may be launched remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was shared 01/07/2024. The advisory is available at github.com. This vulnerability is handled as CVE-2023-7220. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

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Productinfo

Vendor

Totolink

Name

NR1800X

Version

9.1.0u.6279_B20210910

License

commercial

Website

Vendor: https://www.totolink.net/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
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: Stack-based overflow
CWE: CWE-121 / 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

01/07/2024 🔍
01/07/2024 +0 days 🔍
01/07/2024 +0 days 🔍
01/25/2024 +18 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2023-7220 (🔍)
GCVE (CVE): GCVE-0-2023-7220
GCVE (VulDB): GCVE-100-249854
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/07/2024 09:46
Updated: 01/25/2024 07:50
Changes: 01/07/2024 09:46 (43), 01/25/2024 07:45 (2), 01/25/2024 07:50 (18)
Complete: 🔍
Submitter: jylsec
Cache ID: 216::103

Submitinfo

Accepted

Submit #260122: TOTOLINK NR1800X V9.1.0u.6279_B20210910 buffer overflow (by jylsec)