VDB-210229 · CVE-2022-41527 · GCVE-0-2022-41527

TOTOLINK NR1800X 9.1.0u.6279_B20210910 setOpModeCfg pppoeUser 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.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6279_B20210910. It has been classified as critical. This affects the function setOpModeCfg. This manipulation of the argument pppoeUser causes stack-based overflow. The identification of this vulnerability is CVE-2022-41527. There is no exploit available.

Detailsinfo

A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6279_B20210910. It has been declared as critical. Affected by this vulnerability is the function setOpModeCfg. The manipulation of the argument pppoeUser with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the pppoeUser parameter in the setOpModeCfg function.

The weakness was shared 10/06/2022. The advisory is shared at brief-nymphea-813.notion.site. This vulnerability is known as CVE-2022-41527 since 09/26/2022. Technical details are known, 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.

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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: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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

09/26/2022 🔍
10/06/2022 +10 days 🔍
10/06/2022 +0 days 🔍
10/30/2022 +24 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: brief-nymphea-813.notion.site
Status: Not defined

CVE: CVE-2022-41527 (🔍)
GCVE (CVE): GCVE-0-2022-41527
GCVE (VulDB): GCVE-100-210229

Entryinfo

Created: 10/06/2022 22:47
Updated: 10/30/2022 17:09
Changes: 10/06/2022 22:47 (39), 10/30/2022 17:09 (11)
Complete: 🔍
Cache ID: 216::103