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CVE-2025-68133— EVerest's unlimited connections can lead to DoS through operating system resource exhaustion

Quick assessment

Affected
EVerest everest-core
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

everest-core是EVerest开源的一个电动汽车充电软件堆栈的主要部分。 everest-core 2025.10.0之前版本存在安全漏洞，该漏洞源于攻击者可通过发起无限数量的TCP连接来耗尽操作系统内存，可能导致模块终止。

CVSS 7.4 · High EPSS 0.39% · P31
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I. Basic Information for CVE-2025-68133

Vulnerability Information
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Vulnerability Title
EVerest's unlimited connections can lead to DoS through operating system resource exhaustion
Source: CVE Program / CVE List V5
Vulnerability Description
EVerest is an EV charging software stack. In versions 2025.9.0 and below, an attacker can exhaust the operating system's memory and cause the module to terminate by initiating an unlimited number of TCP connections that never proceed to ISO 15118-2 communication. This is possible because a new thread is started for each incoming plain TCP or TLS socket connection before any verification occurs, and the verification performed is too permissive. The EVerest processes and all its modules shut down, affecting all EVSE functionality. This issue is fixed in version 2025.10.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
everest-core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
everest-core是EVerest开源的一个电动汽车充电软件堆栈的主要部分。 everest-core 2025.10.0之前版本存在安全漏洞，该漏洞源于攻击者可通过发起无限数量的TCP连接来耗尽操作系统内存，可能导致模块终止。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
EVerest everest-core < 2025.10.0 -

II. Public POCs for CVE-2025-68133

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III. Intelligence Information for CVE-2025-68133

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Same Patch Batch · EVerest · 2026-01-21 · 11 CVEs total

CVE-2025-68137 8.4 HIGH EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer o
CVE-2025-68134 7.4 HIGH EVerest's use of assert functions can potentially lead to denial of service
CVE-2025-68136 7.4 HIGH EVerest's inadequate session handling can lead to memory-related errors or exhaustion of t
CVE-2025-68141 7.4 HIGH EVerest vulnerable to null pointer dereference during DC_ChargeLoopRes document deserializ
CVE-2025-68135 6.5 MEDIUM EVerest's inadequate exception handling leads to denial of service
CVE-2025-68138 4.7 MEDIUM EVerest affected by memory exhaustion in libocpp
CVE-2025-68139 4.3 MEDIUM In EVerest, by default, the EV is responsible for closing the connection if the module enc
CVE-2025-68140 4.3 MEDIUM EVerest allows null session ID to bypass session ID verification
CVE-2026-23955 4.2 MEDIUM EVerest vulnerable to concatenation of strings literal and integers
CVE-2025-68132 EVerest has out-of-bounds read in DZG_GSH01 SLIP CRC parser that can crash powermeter driv

IV. Related Vulnerabilities

Same product: everest-core
Same vendor: EVerest
Same weakness: CWE-770

V. Comments for CVE-2025-68133

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