TP-LINK AC1750 A7 190726 tdpServer Service slave_mac os command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in TP-LINK AC1750 A7 190726. This affects an unknown part of the component tdpServer Service. This manipulation of the argument slave_mac as part of Parameter causes os command injection. This vulnerability is registered as CVE-2020-10882. The attack requires access to the local network. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in TP-LINK AC1750 A7 190726 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component tdpServer Service. The manipulation of the argument slave_mac as part of a Parameter leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS 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:

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tdpServer service, which listens on UDP port 20002 by default. When parsing the slave_mac parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9650.

The weakness was published 03/25/2020. This vulnerability is known as CVE-2020-10882 since 03/24/2020. The attack needs to be initiated within the local network. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at packetstormsecurity.com. It is declared as highly functional.

Upgrading to version ZDI-CAN-9650 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48331). Similar entries are available at VDB-152279, VDB-152278, VDB-152277 and VDB-152276. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Zero Day Initiative): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AC1750 ZDI-CAN-9650

Timelineinfo

03/24/2020 🔍
03/25/2020 +1 days 🔍
03/26/2020 +1 days 🔍
09/11/2024 +1630 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: 157255
Status: Not defined

CVE: CVE-2020-10882 (🔍)
GCVE (CVE): GCVE-0-2020-10882
GCVE (VulDB): GCVE-100-152275
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/26/2020 07:16
Updated: 09/11/2024 13:34
Changes: 03/26/2020 07:16 (40), 03/26/2020 07:21 (12), 05/11/2024 14:50 (18), 05/11/2024 14:53 (19), 07/02/2024 09:41 (7), 09/11/2024 13:34 (1)
Complete: 🔍
Cache ID: 216::103

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