TOTOLINK LR350 9.3.5u.6369_B20220309 setOpModeCfg pppoeUser buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in TOTOLINK LR350 9.3.5u.6369_B20220309 and classified as critical. The impacted element is the function setOpModeCfg. Performing a manipulation of the argument pppoeUser results in buffer overflow. This vulnerability is reported as CVE-2022-44257. No exploit exists.

Detailsinfo

A vulnerability was found in TOTOLINK LR350 9.3.5u.6369_B20220309. It has been classified as critical. This affects the function setOpModeCfg. The manipulation of the argument pppoeUser with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was disclosed 11/23/2022. It is possible to read the advisory at brief-nymphea-813.notion.site. This vulnerability is uniquely identified as CVE-2022-44257 since 10/30/2022. Technical details of the vulnerability are known, but there is no available exploit.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

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Website

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

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
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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 🔍
11/23/2022 +24 days 🔍
11/23/2022 +0 days 🔍
04/25/2025 +884 days 🔍

Sourcesinfo

Vendor: totolink.net

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

CVE: CVE-2022-44257 (🔍)
GCVE (CVE): GCVE-0-2022-44257
GCVE (VulDB): GCVE-100-214287

Entryinfo

Created: 11/23/2022 20:56
Updated: 04/25/2025 23:03
Changes: 11/23/2022 20:56 (39), 12/22/2022 16:41 (11), 04/25/2025 23:03 (16)
Complete: 🔍
Cache ID: 216::103

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