Peplink Smart Reader 1.2.0 /bin/login command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Peplink Smart Reader 1.2.0. This affects an unknown part of the file /bin/login. This manipulation causes command injection. This vulnerability is tracked as CVE-2023-40146. It is feasible to perform the attack on the physical device. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Peplink Smart Reader 1.2.0. Affected by this vulnerability is an unknown code of the file /bin/login. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A privilege escalation vulnerability exists in the /bin/login functionality of Peplink Smart Reader v1.2.0 (in QEMU). A specially crafted command line argument can lead to a limited-shell escape and elevated capabilities. An attacker can authenticate with hard-coded credentials and execute unblocked default busybox functionality to trigger this vulnerability.

It is possible to read the advisory at talosintelligence.com. This vulnerability is known as CVE-2023-40146 since 11/22/2023. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.8
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (Talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
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

11/22/2023 🔍
04/17/2024 +146 days 🔍
04/17/2024 +0 days 🔍
08/21/2025 +491 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1868
Status: Not defined

CVE: CVE-2023-40146 (🔍)
GCVE (CVE): GCVE-0-2023-40146
GCVE (VulDB): GCVE-100-261307

Entryinfo

Created: 04/17/2024 16:23
Updated: 08/21/2025 22:14
Changes: 04/17/2024 16:23 (63), 08/21/2025 22:14 (13)
Complete: 🔍
Cache ID: 216::103

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