TOTOLINK LR350 9.3.5u.6369_B20220309 setLanguageCfg lang buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in TOTOLINK LR350 9.3.5u.6369_B20220309 and classified as critical. Affected by this issue is the function setLanguageCfg. The manipulation of the argument lang with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter lang in the setLanguageCfg function.

The weakness was released 11/23/2022. The advisory is available at brief-nymphea-813.notion.site. This vulnerability is handled as CVE-2022-44256 since 10/30/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/23/2022).

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

Productinfo

Vendor

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CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

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

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

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

10/30/2022 CVE reserved
11/23/2022 +24 days Advisory disclosed
11/23/2022 +0 days VulDB entry created
11/23/2022 +0 days VulDB last update

Sourcesinfo

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

CVE: CVE-2022-44256 (🔒)

Entryinfo

Created: 11/23/2022 08:55 PM
Changes: 11/23/2022 08:55 PM (39)
Complete: 🔍

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