VDB-352498 · CVE-2026-3587 · VDE-2026-020
WAGO LEAN MANAGED SWITCH 852-1816-010-000 010-001 PRIOR V1.2.1.S0 RESTRICTED INTERFACE BACKDOOR
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
9.7 $0-$5k 7.98+
Summaryinfo
A vulnerability was found in WAGO Lean Managed Switch 852-1812, Lean Managed Switch 852-1813, Lean Managed Switch 852-1813-000-001, Lean Managed Switch 852-1816, Industrial Managed Switch 852-303, Industrial Managed Switch 852-1305, Industrial Managed Switch 852-1305-000-001, Industrial Managed Switch 852-1505-000-001, Industrial Managed Switch 852-1505, Industrial Managed Switch 852-602, Industrial Managed Switch 852-603, Industrial Managed Switch 852-1605, Lean Managed Switch 852-1812-010-000, Lean Managed Switch 852-1813-010-000 and Lean Managed Switch 852-1816-010-000 010-001. It has been declared as critical. This vulnerability affects unknown code of the component Restricted Interface. Executing a manipulation can lead to backdoor. This vulnerability appears as CVE-2026-3587. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.
Detailsinfo
A vulnerability has been found in WAGO Lean Managed Switch 852-1812, Lean Managed Switch 852-1813, Lean Managed Switch 852-1813-000-001, Lean Managed Switch 852-1816, Industrial Managed Switch 852-303, Industrial Managed Switch 852-1305, Industrial Managed Switch 852-1305-000-001, Industrial Managed Switch 852-1505-000-001, Industrial Managed Switch 852-1505, Industrial Managed Switch 852-602, Industrial Managed Switch 852-603, Industrial Managed Switch 852-1605, Lean Managed Switch 852-1812-010-000, Lean Managed Switch 852-1813-010-000 and Lean Managed Switch 852-1816-010-000 010-001 and classified as very critical. This vulnerability affects some unknown processing of the component Restricted Interface. The manipulation with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
An unauthenticated remote attacker can exploit a hidden function in the CLI prompt to escape the restricted interface and gain root access to the underlying Linux based OS, leading to full compromise of the device.
The advisory is available at certvde.com. This vulnerability was named CVE-2026-3587 since 03/05/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/23/2026). This vulnerability is assigned to T1588.001 by the MITRE ATT&CK project.
Upgrading to version V1.2.1.S0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-14385).
Productinfo
Vendor
WAGO
Name
Industrial Managed Switch 852-303
Industrial Managed Switch 852-602
Industrial Managed Switch 852-603
Industrial Managed Switch 852-1305
Industrial Managed Switch 852-1305-000-001
Industrial Managed Switch 852-1505
Industrial Managed Switch 852-1505-000-001
Industrial Managed Switch 852-1605
Lean Managed Switch 852-1812
Lean Managed Switch 852-1812-010-000
Lean Managed Switch 852-1813
Lean Managed Switch 852-1813-000-001
Lean Managed Switch 852-1813-010-000
Lean Managed Switch 852-1816
Lean Managed Switch 852-1816-010-000 010-001
License
commercial
CPE 2.3info
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CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3info
VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.7
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 10.0
CNA Vector (CERTVDE): 🔒
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
Unlock Unlock Unlock Unlock Unlock Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Backdoor
CWE: CWE-912
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
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: Upgrade
Status: 🔍
0-Day Time: 🔒
Upgrade: Lean Managed Switch 852-1812/Lean Managed Switch 852-1813/Lean Managed Switch 852-1813-000-001/Lean Managed Switch 852-1816/Industrial Managed Switch 852-303/Industrial Managed Switch 852-1305/Industrial Managed Switch 852-1305-000-001/Industrial Managed Switch 852-1505-000-001/Industrial Managed Switch 852-1505/Industrial Managed Switch 852-602/Industrial Managed Switch 852-603/Industrial Managed Switch 852-1605/Lean Managed Switch 852-1812-010-000/Lean Managed Switch 852-1813-010-000/Lean Managed Switch 852-1816-010-000 010-001 V1.2.1.S0
Timelineinfo
03/05/2026 CVE reserved
03/23/2026 +18 days Advisory disclosed
03/23/2026 +0 days VulDB entry created
03/23/2026 +0 days VulDB entry last update
Sourcesinfo
Advisory: VDE-2026-020
Status: Confirmed
CVE: CVE-2026-3587 (🔒)
GCVE (CVE): GCVE-0-2026-3587
GCVE (VulDB): GCVE-100-352498
EUVD: 🔒
Entryinfo
Created: 03/23/2026 09:30
Updated: 03/23/2026 10:27
Changes: 03/23/2026 09:30 (64), 03/23/2026 10:27 (1)
Complete: 🔍
Cache ID: 99:549:101
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